How To Fix GP351 - Distribution key & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 351

• Message text: Distribution key & already exists

What causes this issue?

You have tried to create a distribution key under a name which already
exists.

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 GP351 - Distribution key & already exists ?

  The SAP error message GP351, which states "Distribution key & already exists," typically occurs in the context of SAP's Human Capital Management (HCM) module, particularly when dealing with payroll or personnel administration. This error indicates that there is an attempt to create or modify a distribution key that already exists in the system.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the distribution key you are trying to create or modify already exists in the system. This can happen if:
  
  You are trying to create a new distribution key with the same identifier as an existing one.
  There was an attempt to import or upload data that includes a distribution key that is already in use.
  
  
  
  Data Migration Issues: If you are migrating data from another system or performing a mass upload, there may be conflicts with existing keys.
  
  
  Configuration Errors: Incorrect configuration settings in the system can lead to attempts to create duplicate keys.
  
  
  Solution:
  
  
  Check Existing Distribution Keys: 
  
  Use transaction codes like SE16 or SE11 to check the relevant database tables (e.g., T511) for existing distribution keys. Ensure that the key you are trying to create does not already exist.
  
  
  
  Modify Existing Key: 
  
  If the distribution key already exists and you need to make changes, consider modifying the existing key instead of creating a new one.
  
  
  
  Data Cleanup: 
  
  If you are migrating data, ensure that the data being imported does not contain duplicates. Clean up the data before the import process.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or configuration guides related to distribution keys to ensure you are following the correct procedures.
  
  
  
  Error Handling in Uploads: 
  
  If the error occurs during a mass upload, implement error handling to skip or log duplicates instead of stopping the entire process.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that may help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to create or modify distribution keys in the system.
  
  By following these steps, you should be able to identify the cause of the GP351 error and implement a suitable solution.