diff --git a/frontend/app/common/fetcher.test.ts b/frontend/app/common/fetcher.test.ts
index d45be04766..4a6f97dd92 100644
--- a/frontend/app/common/fetcher.test.ts
+++ b/frontend/app/common/fetcher.test.ts
@@ -56,9 +56,8 @@ describe('fetcher', () => {
           fail(data);
         })
         .catch(e => {
-          expect(e.code).toBe(-1);
+          expect(e.code).toBe(401);
           expect(e.error).toBe('Not authorized.');
-          expect(e.details).toBe('Not authorized.');
         });
     });
     it('should throw "Something went wrong." object on unknown status', async () => {
@@ -77,9 +76,8 @@ describe('fetcher', () => {
           fail(data);
         })
         .catch(e => {
-          expect(e.code).toBe(-1);
+          expect(e.code).toBe(500);
           expect(e.error).toBe('Something went wrong.');
-          expect(e.details).toBe('you given me something wrong');
         });
     });
   });
diff --git a/frontend/app/common/fetcher.ts b/frontend/app/common/fetcher.ts
index d25b6175c9..229bc6fef5 100644
--- a/frontend/app/common/fetcher.ts
+++ b/frontend/app/common/fetcher.ts
@@ -2,7 +2,7 @@ import { BASE_URL, API_BASE } from './constants';
 import { siteId } from './settings';
 import { StaticStore } from './static_store';
 import { getCookie } from './cookies';
-import { httpErrorMap, isFailedFetch } from '@app/utils/errorUtils';
+import { httpErrorMap, isFailedFetch, httpMessages } from '@app/utils/errorUtils';
 
 export type FetcherMethod = 'get' | 'post' | 'put' | 'patch' | 'delete' | 'head';
 const methods: FetcherMethod[] = ['get', 'post', 'put', 'patch', 'delete', 'head'];
@@ -82,11 +82,10 @@ const fetcher = methods.reduce<Partial<FetcherObject>>((acc, method) => {
 
         if (res.status >= 400) {
           if (httpErrorMap.has(res.status)) {
-            const errString = httpErrorMap.get(res.status)!;
+            const descriptor = httpErrorMap.get(res.status) || httpMessages.unexpectedError;
             throw {
-              code: -1,
-              error: errString,
-              details: errString,
+              code: descriptor ? res.status : 500,
+              error: descriptor.defaultMessage,
             };
           }
           return res.text().then(text => {
@@ -99,9 +98,8 @@ const fetcher = methods.reduce<Partial<FetcherObject>>((acc, method) => {
                 console.error(err);
               }
               throw {
-                code: -1,
-                error: 'Something went wrong.',
-                details: text,
+                code: 500,
+                error: httpMessages.unexpectedError.defaultMessage,
               };
             }
             throw err;
diff --git a/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.test.tsx b/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.test.tsx
index 7cebf6d28b..97cddf638a 100644
--- a/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.test.tsx
+++ b/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.test.tsx
@@ -5,6 +5,8 @@ import { EmailLoginForm, Props, State } from './auth-panel__email-login-form';
 import { User } from '@app/common/types';
 import { sleep } from '@app/utils/sleep';
 import { validToken } from '@app/testUtils/mocks/jwt';
+import { createIntl } from 'react-intl';
+import enMessages from '../../../locales/en.json';
 
 jest.mock('@app/utils/jwt', () => ({
   isJwtExpired: jest
@@ -13,6 +15,11 @@ jest.mock('@app/utils/jwt', () => ({
     .mockImplementationOnce(() => true),
 }));
 
+const intl = createIntl({
+  locale: `en`,
+  messages: enMessages,
+});
+
 describe('EmailLoginForm', () => {
   const testUser = ({} as any) as User;
   const onSuccess = jest.fn(async () => {});
@@ -27,6 +34,7 @@ describe('EmailLoginForm', () => {
         onSignIn={onSignIn}
         onSuccess={onSuccess}
         theme="light"
+        intl={intl}
       />
     );
 
@@ -57,6 +65,7 @@ describe('EmailLoginForm', () => {
         onSignIn={onSignIn}
         onSuccess={onSuccess}
         theme="light"
+        intl={intl}
       />
     );
     await new Promise(resolve =>
@@ -82,6 +91,7 @@ describe('EmailLoginForm', () => {
         onSignIn={onSignIn}
         onSuccess={onSuccess}
         theme="light"
+        intl={intl}
       />
     );
     await new Promise(resolve =>
diff --git a/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.tsx b/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.tsx
index 598c6c934a..d62a34df74 100644
--- a/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.tsx
+++ b/frontend/app/components/auth-panel/__email-login-form/auth-panel__email-login-form.tsx
@@ -12,6 +12,7 @@ import TextareaAutosize from '@app/components/comment-form/textarea-autosize';
 import { Input } from '@app/components/input';
 import { Button } from '@app/components/button';
 import { isJwtExpired } from '@app/utils/jwt';
+import { IntlShape, useIntl } from 'react-intl';
 
 const mapStateToProps = () => ({
   sendEmailVerification: sendEmailVerificationRequest,
@@ -24,7 +25,7 @@ interface OwnProps {
   className?: string;
 }
 
-export type Props = OwnProps & ReturnType<typeof mapStateToProps>;
+export type Props = OwnProps & ReturnType<typeof mapStateToProps> & { intl: IntlShape };
 
 export interface State {
   usernameValue: string;
@@ -70,7 +71,7 @@ export class EmailLoginForm extends Component<Props, State> {
         this.tokenRef.current && this.tokenRef.current.focus();
       }, 100);
     } catch (e) {
-      this.setState({ error: extractErrorMessageFromResponse(e) });
+      this.setState({ error: extractErrorMessageFromResponse(e, this.props.intl) });
     } finally {
       this.setState({ loading: false });
     }
@@ -87,7 +88,7 @@ export class EmailLoginForm extends Component<Props, State> {
       this.setState({ verificationSent: false, tokenValue: '' });
       this.props.onSuccess && this.props.onSuccess(user);
     } catch (e) {
-      this.setState({ error: extractErrorMessageFromResponse(e) });
+      this.setState({ error: extractErrorMessageFromResponse(e, this.props.intl) });
     } finally {
       this.setState({ loading: false });
     }
@@ -233,5 +234,6 @@ export type EmailLoginFormRef = EmailLoginForm;
 
 export const EmailLoginFormConnected = forwardRef<EmailLoginForm, OwnProps>((props, ref) => {
   const connectedProps = useSelector(mapStateToProps);
-  return <EmailLoginForm {...props} {...connectedProps} ref={ref} />;
+  const intl = useIntl();
+  return <EmailLoginForm {...props} {...connectedProps} intl={intl} ref={ref} />;
 });
diff --git a/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.test.tsx b/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.test.tsx
index 78a760dd5d..784eadb5f1 100644
--- a/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.test.tsx
+++ b/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.test.tsx
@@ -16,6 +16,8 @@ import { Input } from '@app/components/input';
 import { Button } from '@app/components/button';
 import { Dropdown } from '@app/components/dropdown';
 import TextareaAutosize from '@app/components/comment-form/textarea-autosize';
+import { IntlProvider } from 'react-intl';
+import enMessages from '../../../locales/en.json';
 
 import { SubscribeByEmail, SubscribeByEmailForm } from './';
 
@@ -40,9 +42,11 @@ jest.mock('@app/utils/jwt', () => ({
 describe('<SubscribeByEmail/>', () => {
   const createWrapper = (store: ReturnType<typeof mockStore> = mockStore(initialStore)) =>
     mount(
-      <Provider store={store}>
-        <SubscribeByEmail />
-      </Provider>
+      <IntlProvider locale="en" messages={enMessages}>
+        <Provider store={store}>
+          <SubscribeByEmail />
+        </Provider>
+      </IntlProvider>
     );
 
   it('should be rendered with disabled email button when user is anonymous', () => {
@@ -67,9 +71,11 @@ describe('<SubscribeByEmail/>', () => {
 describe('<SubscribeByEmailForm/>', () => {
   const createWrapper = (store: ReturnType<typeof mockStore> = mockStore(initialStore)) =>
     mount(
-      <Provider store={store}>
-        <SubscribeByEmailForm />
-      </Provider>
+      <IntlProvider locale="en" messages={enMessages}>
+        <Provider store={store}>
+          <SubscribeByEmailForm />
+        </Provider>
+      </IntlProvider>
     );
   it('should render email form by default', () => {
     const store = mockStore(initialStore);
diff --git a/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.tsx b/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.tsx
index fca3961675..5452a7abec 100644
--- a/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.tsx
+++ b/frontend/app/components/comment-form/__subscribe-by-email/comment-form__subscribe-by-email.tsx
@@ -23,6 +23,7 @@ import { Preloader } from '@app/components/preloader';
 import TextareaAutosize from '@app/components/comment-form/textarea-autosize';
 import { isUserAnonymous } from '@app/utils/isUserAnonymous';
 import { isJwtExpired } from '@app/utils/jwt';
+import { useIntl } from 'react-intl';
 
 const emailRegex = /[^@]+@[^.]+\..+/;
 
@@ -78,6 +79,7 @@ const renderTokenPart = (
 export const SubscribeByEmailForm: FunctionComponent = () => {
   const theme = useTheme();
   const dispatch = useDispatch();
+  const intl = useIntl();
   const subscribed = useSelector<StoreState, boolean>(({ user }) =>
     user === null ? false : Boolean(user.email_subscription)
   );
@@ -114,7 +116,7 @@ export const SubscribeByEmailForm: FunctionComponent = () => {
             break;
         }
       } catch (e) {
-        setError(extractErrorMessageFromResponse(e));
+        setError(extractErrorMessageFromResponse(e, intl));
       } finally {
         setLoading(false);
       }
@@ -189,7 +191,7 @@ export const SubscribeByEmailForm: FunctionComponent = () => {
         previousStep.current = Step.Subscribed;
         setStep(Step.Unsubscribed);
       } catch (e) {
-        setError(extractErrorMessageFromResponse(e));
+        setError(extractErrorMessageFromResponse(e, intl));
       } finally {
         setLoading(false);
       }
diff --git a/frontend/app/components/comment-form/comment-form.tsx b/frontend/app/components/comment-form/comment-form.tsx
index 92968a6b19..48ca41c181 100644
--- a/frontend/app/components/comment-form/comment-form.tsx
+++ b/frontend/app/components/comment-form/comment-form.tsx
@@ -192,7 +192,7 @@ export class CommentForm extends Component<Props, State> {
         this.setState({ preview: null, text: '' });
       })
       .catch(e => {
-        const errorMessage = extractErrorMessageFromResponse(e);
+        const errorMessage = extractErrorMessageFromResponse(e, this.props.intl);
         this.setState({ isErrorShown: true, errorMessage });
       })
       .finally(() => this.setState({ isDisabled: false }));
@@ -259,7 +259,7 @@ export class CommentForm extends Component<Props, State> {
       return new Error(
         intl.formatMessage(messages.uploadFileFail, {
           fileName: file.name,
-          errorMessage: extractErrorMessageFromResponse(e),
+          errorMessage: extractErrorMessageFromResponse(e, this.props.intl),
         })
       );
     });
diff --git a/frontend/app/components/comment-form/markdown-toolbar.tsx b/frontend/app/components/comment-form/markdown-toolbar.tsx
index 06bf514fbe..fd96ac03a9 100644
--- a/frontend/app/components/comment-form/markdown-toolbar.tsx
+++ b/frontend/app/components/comment-form/markdown-toolbar.tsx
@@ -91,6 +91,7 @@ export default class MarkdownToolbar extends Component<Props> {
     const unorderedListLabel = intl.formatMessage(messages.unorderedList);
     const orderedListLabel = intl.formatMessage(messages.orderedList);
     const attachImageLabel = intl.formatMessage(messages.attachImage);
+
     return (
       <markdown-toolbar className="comment-form__toolbar" for={props.textareaId}>
         <div className="comment-form__toolbar-group">
diff --git a/frontend/app/components/comment/comment.tsx b/frontend/app/components/comment/comment.tsx
index 9146dcbb2f..a207074ec3 100644
--- a/frontend/app/components/comment/comment.tsx
+++ b/frontend/app/components/comment/comment.tsx
@@ -316,7 +316,7 @@ class Comment extends Component<Props, State> {
     this.setState({
       scoreDelta: originalDelta,
       cachedScore: originalScore,
-      voteErrorMessage: extractErrorMessageFromResponse(e),
+      voteErrorMessage: extractErrorMessageFromResponse(e, this.props.intl),
     });
   };
 
diff --git a/frontend/app/locales/en.json b/frontend/app/locales/en.json
index 2ba8f33896..8ef3e02c2b 100644
--- a/frontend/app/locales/en.json
+++ b/frontend/app/locales/en.json
@@ -106,5 +106,29 @@
   "toolbar.link": "Add a link <cmd-k>",
   "toolbar.unordered-list": "Add a bulleted list",
   "toolbar.ordered-list": "Add a numbered list",
-  "toolbar.attach-image": "Attach the image, drag & drop or paste from clipboard"
+  "toolbar.attach-image": "Attach the image, drag & drop or paste from clipboard",
+  "errors.failed-fetch": "Failed to fetch. Please check your internet connection or try again a bit later",
+  "errors.0": "Something went wrong. Please try again a bit later.",
+  "errors.1": "Comment cannot be found. Please refresh the page and try again.",
+  "errors.2": "Failed to unmarshal incoming request.",
+  "errors.3": "You don't have permission for this operation.",
+  "errors.4": "Invalid comment data.",
+  "errors.5": "Comment cannot be found.  Please refresh the page and try again.",
+  "errors.6": "Site cannot be found.  Please refresh the page and try again.",
+  "errors.7": "User has been blocked.",
+  "errors.8": "User has been blocked.",
+  "errors.9": "Comment changing failed. Please try again a bit later.",
+  "errors.10": "It is too late to edit the comment.",
+  "errors.11": "Comment already has reply, editing is not possible.",
+  "errors.12": "Cannot save voting result. Please try again a bit later.",
+  "errors.13": "You cannot vote for your own comment.",
+  "errors.14": "You have already voted for the comment.",
+  "errors.15": "Too many votes for the comment.",
+  "errors.16": "Min score reached for the comment.",
+  "errors.17": "Action rejected. Please try again a bit later.",
+  "errors.18": "Requested file cannot be found.",
+  "errors.not-authorized": "Not authorized.",
+  "errors.forbidden": "Forbidden.",
+  "errors.to-many-request": "You have reached maximum request limit.",
+  "errors.unexpected-error": "Something went wrong."
 }
diff --git a/frontend/app/locales/ru.json b/frontend/app/locales/ru.json
index 8e7575e06f..0ba7e202ee 100644
--- a/frontend/app/locales/ru.json
+++ b/frontend/app/locales/ru.json
@@ -106,5 +106,29 @@
   "toolbar.link": "Ссылка <cmd-k>",
   "toolbar.unordered-list": "Неупорядоченный список",
   "toolbar.ordered-list": "Упорядоченный список",
-  "toolbar.attach-image": "Attach the image, drag & drop or paste from clipboard"
+  "toolbar.attach-image": "Attach the image, drag & drop or paste from clipboard",
+  "errors.failed-fetch": "Нет ответа с сервера. Проверьте ваше соеденение с интернетом или попробуйте позже.",
+  "errors.0": "Something went wrong. Please try again a bit later.",
+  "errors.1": "Comment cannot be found. Please refresh the page and try again.",
+  "errors.2": "Failed to unmarshal incoming request.",
+  "errors.3": "You don't have permission for this operation.",
+  "errors.4": "Invalid comment data.",
+  "errors.5": "Comment cannot be found.  Please refresh the page and try again.",
+  "errors.6": "Site cannot be found.  Please refresh the page and try again.",
+  "errors.7": "User has been blocked.",
+  "errors.8": "User has been blocked.",
+  "errors.9": "Comment changing failed. Please try again a bit later.",
+  "errors.10": "It is too late to edit the comment.",
+  "errors.11": "Comment already has reply, editing is not possible.",
+  "errors.12": "Cannot save voting result. Please try again a bit later.",
+  "errors.13": "You cannot vote for your own comment.",
+  "errors.14": "Вы уже голосовали за этот комментарий.",
+  "errors.15": "Too many votes for the comment.",
+  "errors.16": "Min score reached for the comment.",
+  "errors.17": "Action rejected. Please try again a bit later.",
+  "errors.18": "Requested file cannot be found.",
+  "errors.not-authorized": "Not authorized.",
+  "errors.forbidden": "Forbidden.",
+  "errors.to-many-request": "Слишком много запросов.",
+  "errors.unexpected-error": "Что-то пошло не так."
 }
diff --git a/frontend/app/utils/errorUtils.ts b/frontend/app/utils/errorUtils.ts
index 6db4495414..c084ee5bf3 100644
--- a/frontend/app/utils/errorUtils.ts
+++ b/frontend/app/utils/errorUtils.ts
@@ -1,37 +1,184 @@
+import { IntlShape, defineMessages, MessageDescriptor } from 'react-intl';
+
+const messages = defineMessages({
+  failedFetch: {
+    id: 'errors.failed-fetch',
+    defaultMessage: 'Failed to fetch. Please check your internet connection or try again a bit later',
+    description: {
+      code: -2,
+    },
+  },
+  0: {
+    id: 'errors.0',
+    defaultMessage: 'Something went wrong. Please try again a bit later.',
+    description: {
+      code: 0,
+    },
+  },
+  1: {
+    id: 'errors.1',
+    defaultMessage: 'Comment cannot be found. Please refresh the page and try again.',
+    description: {
+      code: 1,
+    },
+  },
+  2: {
+    id: 'errors.2',
+    defaultMessage: 'Failed to unmarshal incoming request.',
+    description: {
+      code: 2,
+    },
+  },
+  3: {
+    id: 'errors.3',
+    defaultMessage: `You don't have permission for this operation.`,
+    description: {
+      code: 3,
+    },
+  },
+  4: {
+    id: 'errors.4',
+    defaultMessage: `Invalid comment data.`,
+    description: {
+      code: 4,
+    },
+  },
+  5: {
+    id: 'errors.5',
+    defaultMessage: `Comment cannot be found.  Please refresh the page and try again.`,
+    description: {
+      code: 5,
+    },
+  },
+  6: {
+    id: 'errors.6',
+    defaultMessage: `Site cannot be found.  Please refresh the page and try again.`,
+    description: {
+      code: 6,
+    },
+  },
+  7: {
+    id: 'errors.7',
+    defaultMessage: `User has been blocked.`,
+    description: {
+      code: 7,
+    },
+  },
+  8: {
+    id: 'errors.8',
+    defaultMessage: `User has been blocked.`,
+    description: {
+      code: 8,
+    },
+  },
+  9: {
+    id: 'errors.9',
+    defaultMessage: `Comment changing failed. Please try again a bit later.`,
+    description: {
+      code: 9,
+    },
+  },
+  10: {
+    id: 'errors.10',
+    defaultMessage: `It is too late to edit the comment.`,
+    description: {
+      code: 10,
+    },
+  },
+  11: {
+    id: 'errors.11',
+    defaultMessage: `Comment already has reply, editing is not possible.`,
+    description: {
+      code: 11,
+    },
+  },
+  12: {
+    id: 'errors.12',
+    defaultMessage: `Cannot save voting result. Please try again a bit later.`,
+    description: {
+      code: 12,
+    },
+  },
+  13: {
+    id: 'errors.13',
+    defaultMessage: `You cannot vote for your own comment.`,
+    description: {
+      code: 13,
+    },
+  },
+  14: {
+    id: 'errors.14',
+    defaultMessage: `You have already voted for the comment.`,
+    description: {
+      code: 14,
+    },
+  },
+  15: {
+    id: 'errors.15',
+    defaultMessage: `Too many votes for the comment.`,
+    description: {
+      code: 15,
+    },
+  },
+  16: {
+    id: 'errors.16',
+    defaultMessage: `Min score reached for the comment.`,
+    description: {
+      code: 16,
+    },
+  },
+  17: {
+    id: 'errors.17',
+    defaultMessage: `Action rejected. Please try again a bit later.`,
+    description: {
+      code: 17,
+    },
+  },
+  18: {
+    id: 'errors.18',
+    defaultMessage: `Requested file cannot be found.`,
+    description: {
+      code: 18,
+    },
+  },
+});
+
 /**
  * map of codes that server returns in its response in case of error
  * to client readable version
  */
-const errorMessageForCodes = new Map([
-  [-2, 'Failed to fetch. Please check your internet connection.'],
-  [0, 'Something went wrong. Please try again a bit later.'],
-  [1, 'Comment cannot be found. Please refresh the page and try again.'],
-  [2, 'Failed to unmarshal incoming request.'],
-  [3, "You don't have permission for this operaton."],
-  [4, 'Invalid comment data.'],
-  [5, 'Comment cannot be found.  Please refresh the page and try again.'],
-  [6, 'Site cannot be found.  Please refresh the page and try again.'],
-  [7, 'User has been blocked.'],
-  [8, 'This post is read only.'],
-  [9, 'Comment changing failed. Please try again a bit later.'],
-  [10, 'It is too late to edit the comment.'],
-  [11, 'Comment already has reply, editing is not possible.'],
-  [12, 'Cannot save voting result. Please try again a bit later.'],
-  [13, 'You cannot vote for your own comment.'],
-  [14, 'You have already voted for the comment.'],
-  [15, 'Too many votes for the comment.'],
-  [16, 'Min score reached for the comment.'],
-  [17, 'Action rejected. Please try again a bit later.'],
-  [18, 'Requested file cannot be found.'],
-]);
+const errorMessageForCodes = new Map<number, MessageDescriptor>();
+
+Object.entries(messages).forEach(([, messageDescriptor]) => {
+  errorMessageForCodes.set(messageDescriptor.description.code, messageDescriptor);
+});
+
+export const httpMessages = defineMessages({
+  notAuthorized: {
+    id: 'errors.not-authorized',
+    defaultMessage: 'Not authorized.',
+  },
+  forbidden: {
+    id: 'errors.forbidden',
+    defaultMessage: 'Forbidden.',
+  },
+  toManyRequest: {
+    id: 'errors.to-many-request',
+    defaultMessage: 'You have reached maximum request limit.',
+  },
+  unexpectedError: {
+    id: 'errors.unexpected-error',
+    defaultMessage: 'Something went wrong.',
+  },
+});
 
 /**
  * map of http rest codes to ui label, used by fetcher to generate error with `-1` code
  */
 export const httpErrorMap = new Map([
-  [401, 'Not authorized.'],
-  [403, 'Forbidden.'],
-  [429, 'You have reached maximum request limit.'],
+  [401, httpMessages.notAuthorized],
+  [403, httpMessages.forbidden],
+  [429, httpMessages.toManyRequest],
 ]);
 
 export function isFailedFetch(e?: Error): boolean {
@@ -51,9 +198,8 @@ export type FetcherError =
       error: string;
     };
 
-export function extractErrorMessageFromResponse(response: FetcherError): string {
-  const defaultErrorMessage = errorMessageForCodes.get(0) as string;
-
+export function extractErrorMessageFromResponse(response: FetcherError, intl: IntlShape): string {
+  const defaultErrorMessage = intl.formatMessage(errorMessageForCodes.get(0) || messages['0']);
   if (!response) {
     return defaultErrorMessage;
   }
@@ -62,16 +208,13 @@ export function extractErrorMessageFromResponse(response: FetcherError): string
     return response;
   }
 
-  if (response.code === -1) {
-    return response.error;
-  }
-
-  if (typeof response.details === 'string') {
-    return response.details.charAt(0).toUpperCase() + response.details.substring(1);
-  }
-
-  if (typeof response.code === 'number' && errorMessageForCodes.has(response.code)) {
-    return errorMessageForCodes.get(response.code)!;
+  if (
+    typeof response.code === 'number' &&
+    (errorMessageForCodes.has(response.code) || httpErrorMap.has(response.code))
+  ) {
+    const messageDescriptor =
+      errorMessageForCodes.get(response.code) || httpErrorMap.get(response.code) || messages['0'];
+    return intl.formatMessage(messageDescriptor);
   }
 
   return defaultErrorMessage;