How To Fix /UI2/CACHE003 - Failed to read BLOB from database

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 003

• Message text: Failed to read BLOB from database

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CACHE003 - Failed to read BLOB from database ?

  The SAP error message /UI2/CACHE003 Failed to read BLOB from database typically indicates an issue with reading Binary Large Objects (BLOBs) from the database. This can occur in various scenarios, particularly when dealing with UI5 applications or Fiori apps that rely on BLOB data for caching or storing large objects like images, documents, or other binary data.
  Causes:
  
  Database Issues: There may be underlying issues with the database, such as corruption, connectivity problems, or insufficient permissions.
  Cache Problems: The cache may be corrupted or not properly synchronized, leading to failures when trying to read BLOB data.
  Configuration Issues: Incorrect configuration settings in the SAP system or the database can lead to this error.
  Data Volume: Large volumes of data or specific BLOBs that exceed size limits can cause read failures.
  Missing Data: The BLOB data might not exist in the database, or it may have been deleted or moved.
  
  Solutions:
  
  Check Database Connectivity: Ensure that the database is up and running and that there are no connectivity issues. You can check the database logs for any errors.
  Database Integrity Check: Perform a database integrity check to identify and fix any corruption issues. This may involve running specific database tools or commands.
  Clear Cache: Clear the cache for the affected application or the entire system. This can often resolve issues related to corrupted cache entries.
  
  You can use transaction code /UI2/FLP to access the Fiori Launchpad and clear the cache.
  
  
  Review Configuration: Check the configuration settings for the application and the database to ensure they are correct. This includes checking the BLOB storage settings.
  Check Permissions: Ensure that the user has the necessary permissions to access the BLOB data in the database.
  Monitor Data Volume: If the issue is related to data volume, consider archiving old data or optimizing the database to handle large BLOBs more effectively.
  Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its documentation with solutions for known issues.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to help diagnose the problem.
  System Logs: Check the system logs (transaction code SM21) and application logs (transaction code SLG1) for any additional error messages that may provide more context.
  Performance Monitoring: Use tools like SAP Solution Manager to monitor the performance of your SAP system and identify any bottlenecks that may be contributing to the issue.
  
  By following these steps, you should be able to diagnose and resolve the /UI2/CACHE003 Failed to read BLOB from database error in your SAP environment.