diff --git a/Cargo.lock b/Cargo.lock
index abc0d4b2ec..5f04c7a192 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3254,16 +3254,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
-[[package]]
-name = "humantime-serde"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57a3db5ea5923d99402c94e9feb261dc5ee9b4efa158b0315f788cf549cc200c"
-dependencies = [
- "humantime 2.1.0",
- "serde",
-]
-
 [[package]]
 name = "hyper"
 version = "0.14.29"
@@ -8336,7 +8326,7 @@ dependencies = [
 [[package]]
 name = "ya-client"
 version = "0.8.0"
-source = "git+https://github.com/golemfactory/ya-client.git?rev=4fb874b81f9dbad2281601d2351383a356c89dd6#4fb874b81f9dbad2281601d2351383a356c89dd6"
+source = "git+https://github.com/golemfactory/ya-client.git?rev=699c62a628070708edb39e3692f7b2052fcd9afa#699c62a628070708edb39e3692f7b2052fcd9afa"
 dependencies = [
  "actix-codec",
  "awc",
@@ -8385,12 +8375,11 @@ dependencies = [
 [[package]]
 name = "ya-client-model"
 version = "0.6.0"
-source = "git+https://github.com/golemfactory/ya-client.git?rev=4fb874b81f9dbad2281601d2351383a356c89dd6#4fb874b81f9dbad2281601d2351383a356c89dd6"
+source = "git+https://github.com/golemfactory/ya-client.git?rev=699c62a628070708edb39e3692f7b2052fcd9afa#699c62a628070708edb39e3692f7b2052fcd9afa"
 dependencies = [
  "bigdecimal 0.2.2",
  "chrono",
  "derive_more",
- "humantime-serde",
  "rand 0.8.5",
  "serde",
  "serde_bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 73b47154d8..8501e93d47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -280,9 +280,9 @@ ya-service-api-interfaces = { path = "core/serv-api/interfaces" }
 ya-service-api-web = { path = "core/serv-api/web" }
 
 ## CLIENT
-ya-client = { git = "https://github.com/golemfactory/ya-client.git", rev = "4fb874b81f9dbad2281601d2351383a356c89dd6" }
+ya-client = { git = "https://github.com/golemfactory/ya-client.git", rev = "699c62a628070708edb39e3692f7b2052fcd9afa" }
 #ya-client = { path = "../ya-client" }
-ya-client-model = { git = "https://github.com/golemfactory/ya-client.git", rev = "4fb874b81f9dbad2281601d2351383a356c89dd6" }
+ya-client-model = { git = "https://github.com/golemfactory/ya-client.git", rev = "699c62a628070708edb39e3692f7b2052fcd9afa" }
 #ya-client-model = "0.7"
 golem-certificate = { git = "https://github.com/golemfactory/golem-certificate.git", rev = "f2d7514c18fc066e9cfb796090b90f5b27cfe1c6" }
 
diff --git a/core/payment-driver/erc20/src/driver.rs b/core/payment-driver/erc20/src/driver.rs
index e96c0e77d5..110402d83e 100644
--- a/core/payment-driver/erc20/src/driver.rs
+++ b/core/payment-driver/erc20/src/driver.rs
@@ -527,11 +527,13 @@ impl Erc20Driver {
         };
 
         if let Some(_extra_validation) = deposit.validate {
+            #[allow(unused)]
             let validation_result: Result<(), String> = {
                 //self.payment_runtime.blah();
                 unimplemented!("awaiting implementation in erc20_payment_lib")
             };
 
+            #[allow(unreachable_code)]
             if let Err(e) = validation_result {
                 return Ok(ValidateAllocationResult::DepositValidationError(e));
             }
diff --git a/core/payment/src/api/allocations.rs b/core/payment/src/api/allocations.rs
index fc567368f7..7ff47900ca 100644
--- a/core/payment/src/api/allocations.rs
+++ b/core/payment/src/api/allocations.rs
@@ -375,6 +375,9 @@ async fn create_allocation(
         Ok(ValidateAllocationResult::DepositSpenderMismatch) => {
             return bad_req_and_log("Deposit spender doesn't match allocation address".to_string());
         }
+        Ok(ValidateAllocationResult::DepositValidationError(message)) => {
+            return bad_req_and_log(format!("Deposit contract rejected the deposit: {message}"));
+        }
         Err(Error::Rpc(RpcMessageError::ValidateAllocation(
             ValidateAllocationError::AccountNotRegistered,
         ))) => {
@@ -557,6 +560,9 @@ async fn amend_allocation(
         Ok(ValidateAllocationResult::DepositSpenderMismatch) => {
             return bad_req_and_log("Deposit spender doesn't match allocation address".to_string());
         }
+        Ok(ValidateAllocationResult::DepositValidationError(message)) => {
+            return bad_req_and_log(format!("Deposit contract rejected the deposit: {message}"));
+        }
         Err(Error::Rpc(RpcMessageError::ValidateAllocation(
             ValidateAllocationError::AccountNotRegistered,
         ))) => return response::bad_request(&"Account not registered"),