How To Fix CO_MES_INT100 - Queue will be restarted after lock problems (number of restarts &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CO_MES_INT - Integration with Manufacturing Execution Systems

• Message number: 100

• Message text: Queue will be restarted after lock problems (number of restarts &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO_MES_INT100 - Queue will be restarted after lock problems (number of restarts &1) ?

  The SAP error message CO_MES_INT100 indicates that there are issues related to the message queue in the context of the Manufacturing Execution System (MES). This error typically arises when there are lock problems that prevent the processing of messages in the queue, leading to the queue being restarted multiple times.
  Cause:
  
  Lock Conflicts: The most common cause of this error is that the system is experiencing lock conflicts. This can happen when multiple processes or users are trying to access the same data simultaneously, leading to contention and locking issues.
  Long-Running Transactions: If there are long-running transactions that hold locks for an extended period, it can lead to other processes being unable to access the required data.
  System Performance Issues: High system load or performance issues can exacerbate locking problems, causing delays in processing and leading to restarts of the message queue.
  Configuration Issues: Incorrect configuration of the MES or related components can also lead to locking issues.
  
  Solution:
  
  Analyze Lock Entries: Use transaction code SM12 to check for lock entries. Identify any long-held locks and determine which processes are causing them. You may need to terminate or resolve these processes.
  Optimize Transactions: Review and optimize any long-running transactions that may be holding locks. Ensure that they are designed to complete quickly and release locks as soon as possible.
  Increase System Resources: If the system is under heavy load, consider increasing system resources (CPU, memory) to improve performance and reduce locking issues.
  Review Configuration: Check the configuration of the MES and related components to ensure they are set up correctly. Look for any settings that may contribute to locking issues.
  Monitor System Performance: Use performance monitoring tools to keep an eye on system performance and identify any bottlenecks that may lead to locking issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues.
  SAP Support: If the problem persists, consider reaching out to SAP Support for assistance, especially if you suspect a bug or require deeper analysis.
  Documentation: Review SAP documentation related to the MES and locking mechanisms to better understand how to manage and mitigate these issues.
  
  By following these steps, you should be able to identify the root cause of the CO_MES_INT100 error and implement a solution to prevent it from recurring.