How To Fix NAA654 - Object category &1 is not allowed (invalid character)

NAA654 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 654

• Message text: Object category &1 is not allowed (invalid character)

What causes this issue?

Object type &V1& is not allowed. Only capital letters and digits
(except 0) are allowed.

System Response

Processing is not possible.

How to fix this error?

Please correct the value.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

NAA654 - Details

• The SAP error message NAA654, which states "Object category &1 is not allowed (invalid character)," typically occurs when there is an issue with the object category being used in a transaction or process. This error indicates that the object category specified contains invalid characters or is not recognized by the system.
  
  Cause:
  
  Invalid Characters: The object category may contain special characters, spaces, or other invalid characters that are not permitted in the naming convention for object categories.
  Incorrect Configuration: The object category may not be properly configured in the system, or it may not exist in the relevant context.
  Data Entry Error: There may have been a typographical error when entering the object category.
  
  
  Solution:
  
  Check Object Category: Verify the object category you are trying to use. Ensure that it adheres to the naming conventions and does not contain any invalid characters.
  Correct Configuration: If the object category is supposed to exist, check the configuration settings in