How To Fix /UI5/APP_API104 - Cache tokens for backend context could not be updated

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 104

• Message text: Cache tokens for backend context could not be updated

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 /UI5/APP_API104 - Cache tokens for backend context could not be updated ?

  The SAP error message /UI5/APP_API104 Cache tokens for backend context could not be updated typically indicates an issue with the caching mechanism used by the SAP UI5 application to manage backend context tokens. This error can arise due to various reasons, including network issues, backend service problems, or configuration errors.
  Causes:
  
  Network Issues: Temporary network disruptions can prevent the application from communicating with the backend service.
  Backend Service Unavailability: The backend service might be down or not reachable, leading to failure in updating cache tokens.
  Configuration Errors: Incorrect configuration in the SAP Gateway or the UI5 application can lead to issues in token management.
  Session Expiry: If the user session has expired, the application may not be able to update the cache tokens.
  Authorization Issues: Lack of proper authorization to access the backend service can also result in this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues preventing communication between the UI5 application and the backend service.
  Verify Backend Service Status: Check if the backend service is up and running. You can do this by accessing the service directly through a browser or using tools like Postman.
  Review Configuration: Ensure that the configuration settings for the UI5 application and the backend service are correct. This includes checking the destination settings in the SAP Cloud Platform or SAP Gateway.
  Session Management: If the session has expired, try logging out and logging back in to refresh the session.
  Check Authorization: Ensure that the user has the necessary authorizations to access the backend service. You may need to consult with your SAP security team to verify this.
  Clear Cache: Sometimes, clearing the browser cache or the application cache can resolve issues related to stale tokens.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review the application logs and traces for more detailed error messages that can provide insights into the root cause of the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.