Autocomplete Rule Error is not Showing as Message Box

Summary:

An autocomplete object validation rule was created to trigger an error if legal entity is not equal to department.

The rule is not triggering when you click on continue or move out of the offer info section but instead, it shows in other section of the job requisition.

The error is supposed to be a message box and not a text in the section.

Error showing:

Expected error:

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):