How To Fix /UI5/APP_API006 - Cannot calculate cache buster information

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 006

• Message text: Cannot calculate cache buster information

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_API006 - Cannot calculate cache buster information ?

  The SAP error message /UI5/APP_API006 Cannot calculate cache buster information typically occurs in the context of SAPUI5 applications when there is an issue with the cache buster mechanism. The cache buster is a technique used to ensure that users receive the most recent version of an application by appending a unique identifier to the resource URLs, which forces the browser to fetch the latest files instead of using cached versions.
  Causes:
  
  
  Missing or Incorrect Configuration: The cache buster relies on specific configurations in the application descriptor (e.g., manifest.json). If these configurations are missing or incorrect, the cache buster cannot be calculated.
  
  
  File Structure Issues: If the file structure of the application is not as expected (e.g., missing files or incorrect paths), it can lead to this error.
  
  
  Versioning Issues: If there are discrepancies in versioning between the application and the resources it depends on, it may cause issues with cache buster calculations.
  
  
  Deployment Issues: If the application was not deployed correctly or if there are issues with the deployment environment, it can lead to this error.
  
  
  Network Issues: Sometimes, network issues can prevent the application from accessing necessary resources, leading to cache buster calculation failures.
  
  
  Solutions:
  
  
  Check Configuration: Ensure that the manifest.json file is correctly configured. Look for the sap.app section and verify that all necessary properties are set correctly.
  
  
  Verify File Structure: Check the file structure of your application to ensure that all required files are present and correctly referenced.
  
  
  Clear Cache: Clear the browser cache or use incognito mode to ensure that cached versions of the application are not causing issues.
  
  
  Check Deployment: Ensure that the application is deployed correctly on the SAP server. If necessary, redeploy the application.
  
  
  Update Dependencies: Make sure that all dependencies are up to date and compatible with the version of SAPUI5 you are using.
  
  
  Review Network Configuration: Check for any network issues that might be preventing access to required resources.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAPUI5 for detailed information on cache buster mechanisms and application configuration.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  Debugging Tools: Use browser developer tools to inspect network requests and console logs for additional error messages that may provide more context on the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.