How To Fix AQ408 - Key fields are not allowed

AQ408 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 408

• Message text: Key fields are not allowed

What causes this issue?

You cannot use key fields from functional areas of the Human Resources
(HR) application in statistics and ranked lists.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ408 - Key fields are not allowed ?

  The SAP error message AQ408 ("Key fields are not allowed") typically occurs when you are trying to create or modify a data record in a table or structure that has key fields defined, but the operation you are attempting does not allow for those key fields to be included in the way you are trying to use them.
  
  Cause:
  
  Key Field Restrictions: The error usually arises when you attempt to insert or update a record in a way that violates the constraints of the key fields. For example, you might be trying to set a key field to a value that is not allowed or trying to use a key field in a context where it is not permitted.
  Incorrect Data Entry: If you are entering data manually, it could be that the key fields are being populated incorrectly or are being left blank when they should not be.
  Program Logic: If this error