How To Fix /UI2/GLOBAL_CACHES017 - An exception occurred while trying to invalidate the NWBC runtime cache

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/GLOBAL_CACHES -

• Message number: 017

• Message text: An exception occurred while trying to invalidate the NWBC runtime cache

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/GLOBAL_CACHES017 - An exception occurred while trying to invalidate the NWBC runtime cache ?

  The SAP error message /UI2/GLOBAL_CACHES017 indicates that there was an exception while trying to invalidate the NWBC (NetWeaver Business Client) runtime cache. This error can occur due to various reasons, and understanding the cause and potential solutions can help in resolving the issue.
  Causes:
  
  Cache Corruption: The NWBC runtime cache may be corrupted or contain invalid entries.
  Network Issues: There may be network connectivity issues that prevent the cache from being invalidated properly.
  Authorization Issues: The user may not have the necessary authorizations to perform cache invalidation.
  System Configuration: Incorrect configuration settings in the NWBC or related components can lead to this error.
  Backend System Issues: Problems in the backend system (like ABAP or database issues) can also cause this error.
  
  Solutions:
  
  
  Clear Cache Manually:
  
  You can manually clear the NWBC cache. This can often resolve issues related to cache corruption.
  To do this, navigate to the NWBC client, and look for options to clear the cache or reset the client.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues affecting the connection between the NWBC client and the SAP backend system.
  
  
  
  Review Authorizations:
  
  Check if the user has the necessary authorizations to perform cache invalidation. You may need to consult with your SAP security team.
  
  
  
  System Configuration Review:
  
  Review the configuration settings for NWBC and ensure that they are set up correctly. This includes checking the settings in transaction SICF for the NWBC service.
  
  
  
  Check Backend System:
  
  Investigate the backend system for any issues that might be affecting the NWBC. This could include checking for system logs, performance issues, or database errors.
  
  
  
  Update NWBC:
  
  Ensure that you are using the latest version of NWBC. Sometimes, bugs in earlier versions can lead to such errors, and updates may contain fixes.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or recommendations provided by SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) and ST22 (Dump Analysis) to check for any related errors or dumps that could provide more context.
  Logs: Review the application logs and system logs for any additional error messages that could be related to the cache invalidation process.
  Documentation: Refer to the official SAP documentation for NWBC for more detailed troubleshooting steps and best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.