How To Fix /IWBEP/CM_V4_MED123 - Failed to get type descriptor for structure '&1' of entity type '&2'

/IWBEP/CM_V4_MED123 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 123

• Message text: Failed to get type descriptor for structure '&1' of entity type '&2'

Self-Explanatory Message

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/IWBEP/CM_V4_MED123 - Details

• The SAP error message /IWBEP/CM_V4_MED123 Failed to get type descriptor for structure '&1' of entity type '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to retrieve the type descriptor for a specific structure associated with an entity type in an OData service.
  Causes:
  
  Missing or Incorrect Structure Definition: The structure referenced in the error message may not be defined correctly in the ABAP Dictionary (SE11) or may not exist at all.
  Inconsistent Metadata: There may be inconsistencies in the metadata definitions for the OData service, possibly due to changes in the underlying data model that have not been reflected in the service.
  Transport Issues: If the OData service was recently transported from one system to another, the necessary structures may not have been transported correctly.
  Authorization Issues: The user executing the OData service may not have the necessary authorizations to access the structure