How To Fix MMPUR_RPO_MESSAGES053 - No reference to purchase order found in mapping table for hash key &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_RPO_MESSAGES - message for MMPUR RPO

• Message number: 053

• Message text: No reference to purchase order found in mapping table for hash key &1

What causes this issue?

An existing purchase order should be updated based on new or changed
entries in buffer table RPO_D_ITEM_BUF.
However, the system cannot find an entry in mapping table RPO_D_ITEM_MAP
with a reference to a purchase order for the grouping hash that is
specified in the message short text.

System Response

No update operation takes place for the given hash key and the program
continues.

How to fix this error?

This situation indicates an inconsistency between the corresponding
entries in buffer table RPO_D_ITEM_BUF and RPO_D_ITEM_MAP for the hash
key in question.

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_MESSAGES053 - No reference to purchase order found in mapping table for hash key &1 ?

  The SAP error message MMPUR_RPO_MESSAGES053 indicates that there is no reference to a purchase order found in the mapping table for the specified hash key. This error typically occurs in the context of the SAP Materials Management (MM) module, particularly when dealing with purchase requisitions or purchase orders.
  Cause:
  
  
  Missing Mapping Entry: The most common cause of this error is that the mapping table, which links purchase orders to their corresponding requisitions or other documents, does not contain an entry for the specified hash key. This can happen if the purchase order was not created correctly or if there was an issue during the data transfer process.
  
  
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in the relevant tables that manage purchase orders and requisitions.
  
  
  System Configuration Issues: Incorrect configuration settings in the SAP system can lead to issues with how purchase orders are processed and referenced.
  
  
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling the mapping correctly.
  
  
  Solution:
  
  
  Check Mapping Table: Verify the mapping table that is supposed to contain the reference for the purchase order. Ensure that the entry for the specified hash key exists. You can use transaction codes like SE11 (Data Dictionary) to check the relevant tables.
  
  
  Recreate Purchase Order: If the purchase order is missing or corrupted, consider recreating it. Ensure that all necessary data is correctly entered.
  
  
  Data Consistency Check: Run consistency checks on the relevant tables to identify any discrepancies. You can use transaction codes like SE38 to run standard reports or custom programs that check for data integrity.
  
  
  Review Custom Code: If there are any custom developments related to purchase order processing, review the code to ensure it is functioning as intended and correctly handling the mapping.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) to manage purchase orders effectively.
  SAP Documentation: Review SAP documentation related to purchase order processing and mapping to understand the expected behavior and configuration settings.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the error message MMPUR_RPO_MESSAGES053 effectively.