Troubleshoot too low artifact size setting

doc/user/admin_area/settings/continuous_integration.md

@@ -217,14 +217,13 @@ To set the maximum file size:
 1. Enter the maximum file size, in bytes.
 1. Click **Save size limits**.
 
-<!-- ## Troubleshooting
+## Troubleshooting
 
-Include any troubleshooting steps that you can foresee. If you know beforehand what issues
-one might have when setting this up, or when something is changed, or on upgrading, it's
-important to describe those, too. Think of things that may go wrong and include them here.
-This is important to minimize requests for support, and to avoid doc comments with
-questions that you know someone might ask.
+### 413 Request Entity Too Large
 
-Each scenario can be a third-level heading, e.g. `### Getting error message X`.
-If you have none to add when creating a doc, leave this section in place
-but commented out to help encourage others to add to it in the future. -->
+When build jobs fail with the following error,
+increase the [maximum artifacts size](#maximum-artifacts-size).
+
+```plaintext
+Uploading artifacts as "archive" to coordinator... too large archive <job-id> responseStatus=413 Request Entity Too Large status=413" at end of a build job on pipeline when trying to store artifacts to <object-storage>.
+```