How To Fix /UI5/APP_API020 - SAPUI5 app. index-specific log message does not exist for subobject &1

/UI5/APP_API020 - Overview

• Message type: E = Error

• Message class: /UI5/APP_API -

• Message number: 020

• Message text: SAPUI5 app. index-specific log message does not exist for subobject &1

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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/UI5/APP_API020 - Details

• The SAP error message /UI5/APP_API020 indicates that there is an issue related to the SAPUI5 application where the index-specific log message does not exist for a specified subobject. This error typically arises in the context of SAP Fiori applications or when working with SAPUI5 applications.
  
  Cause:
  
  Missing Log Message: The specific log message for the subobject you are trying to access is not defined in the system. This could be due to a missing configuration or an incomplete deployment of the application.
  Incorrect Subobject Reference: The subobject you are trying to reference may not exist or may have been incorrectly specified in the application code or configuration.
  Version Mismatch: There may be a version mismatch between the application and the underlying SAP system or libraries, leading to missing references.
  
  
  Solution:
  
  Check Configuration: Verify that the log messages for the specified subobject are correctly defined in the system. You may need to check the relevant configuration settings