How To Fix /UI2/FDM021 - Item References cannot be created in persistence &1

/UI2/FDM021 - Overview

• Message type: E = Error

• Message class: /UI2/FDM -

• Message number: 021

• Message text: Item References cannot be created in persistence &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.

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

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/UI2/FDM021 - Details

• The SAP error message /UI2/FDM021 Item References cannot be created in persistence &1 typically occurs in the context of the SAP Fiori Launchpad or when dealing with the Fiori Design Studio. This error indicates that there is an issue with creating item references in the persistence layer, which is often related to the configuration or data model.
  Causes:
  
  Missing or Incorrect Configuration: The error may arise if the configuration for the Fiori application or the Launchpad is incomplete or incorrect.
  Data Model Issues: There may be issues with the underlying data model that the Fiori application is trying to access or manipulate.
  Authorization Issues: The user may not have the necessary authorizations to create or modify item references.
  Technical Issues: There could be technical issues such as database connectivity problems or issues with the persistence layer itself.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the Fiori application and ensure that all necessary parameters are correctly set.