diff --git a/libs/app-error/src/lib.rs b/libs/app-error/src/lib.rs
index 1367e3d7..4745e831 100644
--- a/libs/app-error/src/lib.rs
+++ b/libs/app-error/src/lib.rs
@@ -293,6 +293,7 @@ pub enum ErrorCode {
   PublishNamespaceNotSet = 1030,
   PublishNamespaceAlreadyTaken = 1031,
   AIServiceUnavailable = 1032,
+  AIResponseLimitExceeded = 1033,
 }
 
 impl ErrorCode {