How To Fix /UI2/FDM_PARSER004 - Schema error

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/FDM_PARSER -

• Message number: 004

• Message text: Schema error

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/FDM_PARSER004 - Schema error ?

  The SAP error message /UI2/FDM_PARSER004 Schema error typically occurs in the context of SAP Fiori applications, particularly when there is an issue with the metadata or the structure of the OData service being consumed by the Fiori application. This error indicates that there is a mismatch or an issue with the expected schema of the OData service.
  Causes:
  
  Metadata Issues: The OData service's metadata might be incorrectly defined or not aligned with the expected structure.
  Version Mismatch: There could be a version mismatch between the Fiori application and the OData service.
  Service Activation: The OData service might not be properly activated in the SAP Gateway.
  Changes in Data Model: If there have been recent changes to the underlying data model (like changes in database tables or structures), the OData service may not reflect these changes.
  Caching Issues: Sometimes, caching issues can lead to outdated metadata being used.
  
  Solutions:
  
  
  Check OData Service Metadata:
  
  Use the SAP Gateway Client (transaction /IWFND/GW_CLIENT)