Cannot find module 'handlebars'

[mossonli]

mac
gitbook install success
git serve
....
PluginError: Error with plugin "page-footer": Cannot find module 'handlebars'
Require stack:

• /Users/mosson/Documents/gitbook/node_modules/gitbook-plugin-page-footer/lib/index.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/plugins/loadPlugin.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/plugins/loadForBook.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/plugins/index.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/api/encodeGlobal.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/api/index.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/output/getModifiers.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/output/json/onPage.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/output/json/index.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/output/index.js
• /Users/mosson/.gitbook/versions/3.2.3/lib/index.js
• /usr/local/lib/node_modules/gitbook-cli/lib/local.js
• /usr/local/lib/node_modules/gitbook-cli/lib/index.js
• /usr/local/lib/node_modules/gitbook-cli/bin/gitbook.js

[aleen42]

Sorry for the late answer, and try to upgrade to 5.4.9 to fix the dependency problem.