How To Fix /UI5/MP_CA_APP015 - Annotation &1 already exists in the annotations of datasource &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA_APP -

• Message number: 015

• Message text: Annotation &1 already exists in the annotations of datasource &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CA_APP015 - Annotation &1 already exists in the annotations of datasource &2 ?

  The SAP error message /UI5/MP_CA_APP015 Annotation &1 already exists in the annotations of datasource &2 typically occurs in the context of SAP Fiori applications or when working with OData services in SAP UI5. This error indicates that there is a duplicate annotation defined for a specific data source.
  
  Cause:
  The error is caused by the presence of multiple definitions of the same annotation for a given data source in your OData service or in the metadata of your application. This can happen due to:
  
  Duplicate Annotations: The same annotation is defined more than once in the metadata of the OData service.
  Merging of Annotations: If annotations are being merged from different sources, and the same annotation is included multiple times.
  Incorrect Configuration: Misconfiguration in the service definition or in the application that leads to the same annotation being processed multiple times.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Annotations: Review the annotations defined