How To Fix CO_MES_INT036 - Locking problem during processing of confirmation &1 from MES

SAP Error Message - Details

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 036

• Message text: Locking problem during processing of confirmation &1 from MES

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT036 - Locking problem during processing of confirmation &1 from MES ?

  The SAP error message CO_MES_INT036 indicates a locking problem during the processing of a confirmation from a Manufacturing Execution System (MES). This error typically arises when there is a conflict in accessing the same data by multiple processes or users, which can happen in environments where multiple systems or users are trying to confirm production activities simultaneously.
  Cause:
  
  Concurrent Access: Multiple users or systems are trying to access or update the same production order or confirmation data at the same time.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one process has locked a record, another process trying to access that record will encounter a locking issue.
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, leading to conflicts with other processes.
  Configuration Issues: Incorrect configuration in the integration between SAP and the MES can lead to locking issues.
  
  Solution:
  
  Retry Mechanism: Implement a retry mechanism in the MES to handle temporary locking issues. If a confirmation fails due to a lock, the system can wait for a short period and then attempt to resend the confirmation.
  Check Lock Entries: Use transaction code SM12 in SAP to check for existing lock entries. If you find locks that are no longer needed, they can be released.
  Optimize Processes: Review and optimize the processes that are causing the locks. This may involve reducing the time taken for transactions or ensuring that processes are not overlapping unnecessarily.
  Batch Processing: If possible, consider batching confirmations to reduce the number of simultaneous requests being sent to SAP.
  Error Handling: Ensure that the MES has proper error handling in place to manage and log locking issues for further analysis.
  Consult SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors.
  ST22: To analyze dumps that may provide more context on the error.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support with detailed logs and error messages for further assistance.
  Documentation: Review SAP documentation related to MES integration and locking mechanisms for best practices and configuration guidelines.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the CO_MES_INT036 error and improve the reliability of the confirmation process between SAP and the MES.