How To Fix /SAPAPO/OM_TEST251 - OMS Monitor: OMS dereferencings: &1, LC: &2, KEY: &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_TEST -

• Message number: 251

• Message text: OMS Monitor: OMS dereferencings: &1, LC: &2, KEY: &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_TEST251 - OMS Monitor: OMS dereferencings: &1, LC: &2, KEY: &3 ?

  The SAP error message /SAPAPO/OM_TEST251 is related to the Order Management System (OMS) in SAP Advanced Planning and Optimization (APO). This error typically indicates that there is an issue with dereferencing in the OMS monitor, which can occur due to various reasons such as data inconsistencies, missing entries, or configuration issues.
  Cause:
  
  Data Inconsistencies: The error may arise if there are inconsistencies in the data being processed, such as missing or incorrect entries in the database.
  Configuration Issues: Incorrect configuration settings in the OMS or APO system can lead to dereferencing errors.
  Key Issues: The error message indicates a problem with a specific key (KEY: &3), which may not be found or may not be valid in the context of the operation being performed.
  Locking Issues: If the data being accessed is locked by another process, it may lead to dereferencing errors.
  
  Solution:
  
  Check Data Consistency: Verify the data related to the order or object being processed. Ensure that all necessary entries exist and are correct.
  Review Configuration: Check the configuration settings in the OMS and APO to ensure they are set up correctly. This includes checking the settings for the relevant planning areas and master data.
  Analyze the Key: Investigate the specific key mentioned in the error message (KEY: &3). Ensure that it is valid and exists in the system. You may need to look up the key in the relevant tables or transaction codes.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the relevant data. If locks are found, determine if they can be released or if the process holding the lock can be terminated.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require assistance from a technical consultant or developer.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM for Order Management and SM12 for lock entries.
  SAP Documentation: Review the official SAP documentation for OMS and APO to understand the expected behavior and configuration settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem continues after following these steps, it may be necessary to escalate the issue to SAP support for further assistance.