How To Fix /UI2/CACHE004 - Failed to read BLOB from internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 004

• Message text: Failed to read BLOB from internal table

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/CACHE004 - Failed to read BLOB from internal table ?

  The SAP error message /UI2/CACHE004 Failed to read BLOB from internal table typically indicates an issue with the retrieval of Binary Large Objects (BLOBs) from the internal cache. This can occur in various scenarios, particularly when dealing with UI5 applications or Fiori apps that rely on cached data.
  Causes:
  
  Corrupted Cache: The internal cache may have become corrupted, leading to issues when trying to read BLOB data.
  Database Issues: There may be underlying database issues that prevent the retrieval of BLOB data.
  Missing Data: The specific BLOB data that the application is trying to access may not exist or may have been deleted.
  Authorization Issues: The user may not have the necessary permissions to access the BLOB data.
  System Configuration: Incorrect configuration settings in the SAP system or the application may lead to this error.
  
  Solutions:
  
  
  Clear Cache: 
  
  Clear the cache for the specific application or the entire UI cache. This can often resolve issues related to corrupted cache entries.
  You can do this by using transaction code /UI2/FLP and navigating to the "Cache" section to clear the cache.
  
  
  
  Check Database: 
  
  Verify the database for any inconsistencies or issues. You may need to run database consistency checks or consult your database administrator.
  
  
  
  Check Data Existence: 
  
  Ensure that the BLOB data you are trying to access actually exists in the database. You can do this by querying the relevant tables directly.
  
  
  
  Review Authorizations: 
  
  Check the user authorizations to ensure that the user has the necessary permissions to access the BLOB data.
  
  
  
  System Logs: 
  
  Review the system logs (transaction code SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Update/Upgrade: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to BLOB handling.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be known issues and recommended solutions.
  
  
  
  Contact SAP Support: 
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  BLOBs in SAP: BLOBs are used to store large binary data such as images, documents, and multimedia files in the database.
  UI5 and Fiori: The error is often encountered in the context of SAP Fiori applications, which utilize UI5 technology for building user interfaces.
  Performance Considerations: Proper management of BLOB data and caching strategies can significantly impact the performance of applications.
  
  By following these steps, you should be able to diagnose and resolve the /UI2/CACHE004 Failed to read BLOB from internal table error in your SAP environment.