How To Fix /UI2/CACHE021 - [ &1 ] Performing validation of rule &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CACHE -

• Message number: 021

• Message text: [ &1 ] Performing validation of rule &2

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/CACHE021 - [ &1 ] Performing validation of rule &2 ?

  The SAP error message /UI2/CACHE021 typically relates to issues with the validation of a rule in the SAP Fiori/UI5 framework, particularly concerning the caching mechanism used for UI elements. This error can occur when there is a problem with the configuration or the data being processed.
  
  Cause:
  
  Invalid Configuration: The rule being validated may have incorrect or incomplete configuration settings.
  Data Issues: The data being processed may not meet the expected format or criteria defined in the rule.
  Cache Corruption: There may be issues with the cache that prevent the system from validating the rule correctly.
  Version Mismatch: There could be a mismatch between the versions of the UI components or libraries being used.
  
  
  Solution:
  
  Check Configuration: Review the configuration of the rule that is being validated. Ensure that all required fields and settings are correctly defined.
  Validate Data: Ensure that the data being processed adheres to the expected format and criteria. Check for any inconsistencies or errors