How To Fix MCEX157 - Queue &1 could not be started due to resource problems

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 157

• Message text: Queue &1 could not be started due to resource problems

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 MCEX157 - Queue &1 could not be started due to resource problems ?

  The SAP error message MCEX157 indicates that a specific queue (denoted by &1) could not be started due to resource problems. This error typically occurs in the context of SAP's process chains or data extraction processes, particularly in the context of SAP BW (Business Warehouse) or SAP ECC (Enterprise Central Component).
  Causes:
  
  Insufficient System Resources: The system may not have enough memory, CPU, or other resources available to start the queue.
  Locks or Conflicts: There may be locks on the resources that the queue needs to access, preventing it from starting.
  Configuration Issues: Incorrect configuration settings in the process chain or data extraction process can lead to resource allocation issues.
  Background Job Limitations: If there are too many background jobs running simultaneously, it may lead to resource contention.
  Database Issues: Problems with the database, such as locks or performance issues, can also prevent the queue from starting.
  
  Solutions:
  
  Check System Resources: Monitor the system's memory and CPU usage. If resources are low, consider stopping unnecessary background jobs or processes to free up resources.
  Review Locks: Use transaction codes like SM12 to check for locks on the relevant tables or resources. If locks are found, investigate and resolve them.
  Adjust Configuration: Review the configuration of the process chain or data extraction process to ensure that it is set up correctly and does not have any conflicting settings.
  Limit Background Jobs: If there are too many background jobs running, consider scheduling them to run at different times to reduce contention for resources.
  Database Performance: Check the database performance and resolve any issues that may be causing delays or locks. This may involve database tuning or maintenance.
  Increase Resource Allocation: If the system consistently runs into resource issues, consider increasing the allocated resources (e.g., memory, CPU) for the SAP application server.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (to monitor background jobs), SM12 (to check for locks), and ST22 (to check for dumps).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the resource issues.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N) to analyze system performance and identify bottlenecks.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.