diff --git a/en/docs/troubleshooting/error-handling.md b/en/docs/troubleshooting/error-handling.md
index b03267e28c..8c0598278f 100644
--- a/en/docs/troubleshooting/error-handling.md
+++ b/en/docs/troubleshooting/error-handling.md
@@ -41,18 +41,24 @@ Given below are some error codes and their meanings.
-
+
700700 |
API blocked |
This API has been blocked temporarily. Please try again later or contact the system administrators. |
Invoke an API which is in the BLOCKED lifecycle state |
-
+
900422 |
Invalid GraphQL query |
Syntax of the provided GraphQL query is invalid |
Invoking a GraphQL API which has a invalid query |
+
+900424 |
+Temporary Server Error |
+Server has encountered an error. Please try again. |
+Invoking a protected backend with an invalid Oauth 2.0 backend token. |
+
900800 |
Message throttled out |