How To Fix CM_MRP_BUFFER002 - Creating an instance for cahce access failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MRP_BUFFER - MRP Buffer Access and Update

• Message number: 002

• Message text: Creating an instance for cahce access failed

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 CM_MRP_BUFFER002 - Creating an instance for cahce access failed ?

  The SAP error message CM_MRP_BUFFER002, which states "Creating an instance for cache access failed," typically relates to issues with the MRP (Material Requirements Planning) buffer in SAP. This error can occur due to various reasons, including configuration issues, problems with the cache, or system performance issues.
  Causes:
  
  Cache Issues: The cache used by the MRP buffer may be corrupted or not properly initialized.
  Configuration Problems: Incorrect settings in the MRP configuration can lead to this error.
  System Performance: High system load or insufficient resources (like memory) can prevent the creation of cache instances.
  Transport Issues: If there have been recent transports or changes in the system, it might lead to inconsistencies.
  Database Issues: Problems with the underlying database can also cause this error.
  
  Solutions:
  
  Check Cache Settings: Ensure that the cache settings for MRP are correctly configured. You can do this by navigating to the relevant configuration settings in the SAP system.
  Clear Cache: If the cache is corrupted, clearing it may resolve the issue. You can do this by using transaction codes like /n/SCMTMS/CC or similar, depending on your system version.
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or increasing resources.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Review Logs: Check the system logs (transaction SM21) for any related error messages that could provide more context on the issue.
  Restart Services: Sometimes, restarting the relevant services or the entire SAP system can resolve transient issues.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to MRP and cache management, such as MD01 (MRP Run) and MD04 (Stock/Requirements List).
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation related to MRP and caching mechanisms for a deeper understanding of how they work and how to troubleshoot issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.