How To Fix /IWBEP/CM_V4_MED030 - XSD ABAP data types are not supported

/IWBEP/CM_V4_MED030 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 030

• Message text: XSD ABAP data types are not supported

Self-Explanatory Message

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/IWBEP/CM_V4_MED030 - Details

• The SAP error message /IWBEP/CM_V4_MED030 indicates that there is an issue with the data types being used in an OData service, specifically that certain ABAP data types are not supported in the context of the OData service's XML Schema Definition (XSD). This typically occurs when the OData service is trying to expose data types that are not compatible with the OData protocol or the underlying XML schema.
  
  Cause:
  
  Unsupported Data Types: The error is often caused by the use of ABAP data types that do not have a corresponding representation in OData. For example, complex ABAP types, certain structures, or unsupported data types like REF TO, STRING, or XSTRING may lead to this error.
  Model Definition Issues: If the data model defined in the OData service includes fields with unsupported types, the service cannot generate the necessary metadata.
  Inconsistent Annotations: Sometimes, annotations in the service definition may not align with the data types being