How To Fix /IWBEP/CM_V4_ANNO060 - IsOf expression not created

/IWBEP/CM_V4_ANNO060 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_ANNO -

• Message number: 060

• Message text: IsOf expression not created

Self-Explanatory Message

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/IWBEP/CM_V4_ANNO060 - Details

• The SAP error message /IWBEP/CM_V4_ANNO060 IsOf expression not created typically occurs in the context of SAP Gateway and OData services. This error is related to the handling of annotations in OData services, particularly when dealing with polymorphic types or entity types that are expected to be filtered or queried based on their type.
  
  Cause:
  The error can arise due to several reasons:
  
  Incorrect Annotations: The OData service may have incorrect or missing annotations that define the type hierarchy or polymorphic behavior.
  Model Definition Issues: There may be issues in the data model definition, such as missing or incorrectly defined entity types or associations.
  Service Implementation Errors: The implementation of the OData service may not correctly handle the IsOf expression, which is used to filter entities based on their type.
  Version Compatibility: There may be compatibility issues between the OData version being used and the annotations or features being implemented.
  
  
  Solution:
  To resolve the error, you can take the