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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA654 - Object category &1 is not allowed (invalid character) ?

  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 the relevant SAP module to ensure that it is defined correctly.
  Use Valid Characters: If you are entering the object category manually, ensure that you are using only valid alphanumeric characters and that there are no leading or trailing spaces.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific module you are working with to understand the valid object categories and their formats.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Depending on the context of the error, you may want to look into specific transaction codes related to the object category you are working with.
  User Authorization: Ensure that you have the necessary authorizations to access and use the specified object category.
  
  By following these steps, you should be able to identify and resolve the issue causing the NAA654 error message in SAP.