How To Fix MMPUR_RPO_MESSAGES050 - Change of purchase order failed after maximum number of attempts

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_RPO_MESSAGES - message for MMPUR RPO

• Message number: 050

• Message text: Change of purchase order failed after maximum number of attempts

What causes this issue?

The system cannot change a purchase order although it has made several
attempts to do so. If the change is initiated by report
R_MMPUR_RPO_START_PROCESSING, selection screen parameter <ZK>Number of
Attempts for calling the Purchase Order BAPI</> specifies the maximum
number of attempts. The system default is 3 attempts. Purchase order
line items that have caused an error are omitted in the next call of the
purchase order BAPI.

System Response

The update of a purchase order has failed for the data records that have
the hash key under which this error message is listed in the application
log.

How to fix this error?

Correct the input data. The problem may have been caused by incorrect
data on header level of the purchase order.

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 MMPUR_RPO_MESSAGES050 - Change of purchase order failed after maximum number of attempts ?

  The SAP error message MMPUR_RPO_MESSAGES050 indicates that a change to a purchase order (PO) has failed after reaching the maximum number of attempts. This error typically occurs in the context of the SAP Materials Management (MM) module, particularly when dealing with purchase requisitions or purchase orders.
  Causes:
  
  Locking Issues: The purchase order may be locked by another user or process, preventing changes from being made.
  Validation Errors: There may be validation rules or checks that are failing, causing the system to reject the changes.
  Configuration Issues: Incorrect configuration settings in the purchasing module can lead to errors when attempting to change purchase orders.
  System Performance: If the system is experiencing performance issues, it may not be able to process the change requests in a timely manner.
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify the purchase order.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the purchase order. If another user has the order locked, coordinate with them to release the lock.
  Review Error Logs: Check the application log (transaction code SLG1) for more detailed error messages that can provide insight into why the change failed.
  Validate Data: Ensure that all data being entered or modified in the purchase order meets the required validation criteria. Check for missing or incorrect information.
  Configuration Review: Review the configuration settings in the purchasing module to ensure they are set up correctly. This may involve consulting with your SAP configuration team.
  User Authorizations: Verify that the user has the necessary authorizations to make changes to the purchase order. This can be checked using transaction code SU53 after the error occurs.
  Retry the Change: If the issue was due to a temporary system performance problem, try to make the change again after a short period.
  
  Related Information:
  
  Transaction Codes:
  
  ME22N: Change Purchase Order
  ME23N: Display Purchase Order
  SM12: Display and Delete Locks
  SLG1: Application Log
  SU53: Authorization Check
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  Support: If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting SAP's support portal for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message MMPUR_RPO_MESSAGES050.