How To Fix /UI2/CACHE009 - Failed to read due to expiration

/UI2/CACHE009 - Overview

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 009

• Message text: Failed to read due to expiration

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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/UI2/CACHE009 - Details

• The SAP error message /UI2/CACHE009 Failed to read due to expiration typically relates to issues with the SAP Fiori cache. This error indicates that the cache for a specific UI component has expired, and the system is unable to retrieve the necessary data from the cache.
  
  Cause:
  
  Cache Expiration: The cache for the UI components has a defined expiration time. Once this time is reached, the cache is invalidated, and the system cannot read from it.
  System Configuration: The cache settings may not be configured optimally, leading to frequent expirations.
  Changes in UI5 Applications: If there have been updates or changes to the UI5 applications, the cache may need to be refreshed to reflect these changes.
  Server Issues: Temporary server issues or network problems can also lead to cache read failures.
  
  
  Solution:
  
  
  Clear the Cache: 
  
  You can manually clear the cache using transaction code /UI2/FLP or /UI2/FLP_CUST in the SAP GUI. This will refresh the cache and