How To Fix MMPUR_RPO_MESSAGES026 - Hash key calculation failed for item &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_RPO_MESSAGES - message for MMPUR RPO

• Message number: 026

• Message text: Hash key calculation failed for item &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_RPO_MESSAGES026 - Hash key calculation failed for item &1 ?

  The SAP error message MMPUR_RPO_MESSAGES026 with the description "Hash key calculation failed for item &1" typically occurs in the context of the SAP Materials Management (MM) module, particularly when dealing with purchase requisitions or purchase orders. This error indicates that there is an issue with the hash key calculation for a specific item, which is often related to data inconsistencies or issues in the underlying data structure.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data related to the item, such as missing or incorrect information in the purchase requisition or purchase order.
  Custom Enhancements: If there are custom enhancements or modifications in the system, they might interfere with the standard hash key calculation process.
  System Bugs: There could be bugs or issues in the SAP system version you are using that affect the hash key calculation.
  Configuration Issues: Incorrect configuration settings in the MM module can lead to this error.
  
  Solutions:
  
  Check Item Data: Review the item data for the specific item mentioned in the error message. Ensure that all required fields are filled out correctly and that there are no inconsistencies.
  Review Custom Code: If there are any custom enhancements or modifications, review the code to ensure it does not interfere with the standard processes.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the hash key calculation process to identify where it is failing.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context to help them diagnose the problem.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like ME53N (Display Purchase Requisition) or ME23N (Display Purchase Order) to review the details of the item in question.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for the MM module to understand the expected data structure and requirements for purchase requisitions and orders.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.