How To Fix RP435 - Generation rule &1 is not supported for the external person ID

SAP Error Message - Details

• Message type: E = Error

• Message class: RP - Error Messages for Infotype Module Pools

• Message number: 435

• Message text: Generation rule &1 is not supported for the external person ID

What causes this issue?

When you hire a new employee, the system automatically creates the
external person ID and stores it in <ZK>infotype 0709</>. When you
enter an additional personnel assignment, the external person ID is
transferred by the copy mechanism for infotypes.
The generation rule you use to create the external person ID is defined
in Customizing.
Generation rule &V1& is not supported.

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?

Check the Customizing step <ZK>Activate External Person ID</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RP435 - Generation rule &1 is not supported for the external person ID ?

  The SAP error message "RP435 Generation rule &1 is not supported for the external person ID" typically occurs in the context of HR (Human Resources) processes, particularly when dealing with personnel administration or employee master data. This error indicates that the system is trying to apply a generation rule that is not applicable to the specified external person ID.
  Cause:
  
  Invalid Generation Rule: The generation rule specified (denoted by &1 in the error message) is not configured to handle the external person ID being processed. This could be due to the rule being designed for internal personnel numbers only.
  Configuration Issues: There may be a misconfiguration in the HR settings or in the generation rules for external IDs.
  Data Integrity Issues: The external person ID may not be correctly set up in the system, or there may be missing or incorrect data associated with it.
  
  Solution:
  
  
  Check Generation Rules: Review the generation rules configured in the system. Ensure that the rule you are trying to use is appropriate for external person IDs. You can do this by navigating to the relevant configuration settings in the SAP system (usually found in the IMG under Personnel Administration).
  
  
  Modify or Create a New Rule: If the existing generation rule is not suitable, you may need to modify it or create a new rule that supports external person IDs. This may involve working with your SAP HR configuration team.
  
  
  Validate External Person ID: Ensure that the external person ID is correctly set up in the system. Check for any missing or incorrect data that might be causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on how to configure generation rules for external person IDs.
  
  
  Testing: After making changes, test the process again to ensure that the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like PA30 (Maintain HR Master Data) or SPRO (SAP Reference IMG) to access the relevant configuration settings.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.