How To Fix /UI2/CACHE001 - Failed to read type BLOB from the cache

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 001

• Message text: Failed to read type BLOB from the cache

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 /UI2/CACHE001 - Failed to read type BLOB from the cache ?

  The SAP error message /UI2/CACHE001 Failed to read type BLOB from the cache typically indicates an issue with the cache mechanism in the SAP Fiori/UI2 framework. This error can occur for various reasons, including cache corruption, issues with the underlying database, or problems with the application itself.
  Causes:
  
  Cache Corruption: The cache may have become corrupted, leading to the inability to read BLOB (Binary Large Object) data.
  Database Issues: Problems with the database where the BLOB data is stored can also lead to this error.
  Configuration Issues: Incorrect configuration settings in the SAP system can cause issues with cache management.
  Version Mismatch: If there are inconsistencies between the versions of the UI components and the backend, it may lead to cache-related errors.
  Insufficient Resources: Lack of memory or other resources on the application server can also lead to cache read failures.
  
  Solutions:
  
  
  Clear the Cache: 
  
  Use transaction code /UI2/FLP to access the Fiori Launchpad and clear the cache.
  Alternatively, you can use transaction code /IWFND/CACHE_CLEANUP to clear the cache for OData services.
  You can also clear the cache for specific applications or components if you know which ones are causing the issue.
  
  
  
  Check Database Health: 
  
  Ensure that the database is functioning correctly and that there are no issues with the BLOB storage.
  Run database consistency checks and repair any inconsistencies if necessary.
  
  
  
  Review Configuration: 
  
  Check the configuration settings related to the UI2 framework and ensure they are set correctly.
  Review any recent changes made to the system that could have affected the cache.
  
  
  
  Update Components: 
  
  Ensure that all components of the SAP system are up to date and compatible with each other.
  Apply any relevant patches or updates that may address known issues.
  
  
  
  Monitor System Resources: 
  
  Check the system's memory and resource usage to ensure that there are sufficient resources available for the application server.
  If necessary, allocate more resources or optimize the system configuration.
  
  
  
  Check Logs: 
  
  Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error. You can search for relevant notes in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP documentation for the Fiori/UI2 framework for more details on cache management and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation.