How To Fix /IWFND/MED_CHECK031 - Unknown annotation type '&1' for '&2'

/IWFND/MED_CHECK031 - Overview

• Message type: E = Error

• Message class: /IWFND/MED_CHECK -

• Message number: 031

• Message text: Unknown annotation type '&1' for '&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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/IWFND/MED_CHECK031 - Details

• The SAP error message /IWFND/MED_CHECK031 Unknown annotation type '&1' for '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system has encountered an unknown or unrecognized annotation type in the metadata of an OData service.
  
  Cause:
  
  Invalid Annotation: The error is often caused by the use of an annotation that is not recognized by the SAP Gateway framework. This could be due to a typo or an unsupported annotation type.
  Missing Annotations: If the OData service is expected to use certain annotations that are not defined or are missing in the service metadata, this error can occur.
  Version Mismatch: The OData service might be using annotations that are not supported in the version of the SAP Gateway you are using.
  Custom Annotations: If you are using custom annotations that are not properly defined or registered, this can lead to this error.
  
  
  Solution:
  
  Check Annotations: Review the annotations used in