How To Fix /IWBEP/CM_V4_MED029 - XSD ABAP data types are not supported; check property '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 029

• Message text: XSD ABAP data types are not supported; check property '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED029 - XSD ABAP data types are not supported; check property '&1' ?

  The SAP error message /IWBEP/CM_V4_MED029 indicates that there is an issue with the ABAP data types being used in your OData service. Specifically, it suggests that certain XSD (XML Schema Definition) data types are not supported in the context of the OData service you are trying to implement or consume.
  Cause:
  The error typically arises due to one of the following reasons:
  
  
  Unsupported Data Types: The ABAP data types used in your OData model may not be compatible with the OData protocol. For example, certain complex types or unsupported primitive types may lead to this error.
  
  
  Incorrect Property Definition: The property mentioned in the error message (&1) may be defined using a data type that is not supported by the OData service.
  
  
  Model Definition Issues: There may be issues in the way the OData model is defined, such as incorrect annotations or missing metadata.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Review the ABAP data types used in your OData model. Ensure that they are compatible with OData. Common supported types include:
  
  String
  Int32
  Decimal
  Boolean
  DateTime
  
  Avoid using complex types or unsupported types like XSTRING, RAW, or custom types that do not have a direct mapping to OData types.
  
  
  Modify Property Definitions: If the error message specifies a particular property, check its definition in the OData model. Change the data type to a supported type if necessary.
  
  
  Review Annotations: Ensure that the annotations in your OData service are correctly defined. Incorrect annotations can lead to issues in how the service interprets the data types.
  
  
  Regenerate the Service: After making changes to the data types or model definitions, regenerate the OData service and check if the error persists.
  
  
  Check SAP Notes: Look for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this error.
  
  
  Testing: After making the necessary changes, test the OData service to ensure that it is functioning correctly without any errors.
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and its supported data types can help in designing compliant services.
  SAP Gateway: Familiarize yourself with SAP Gateway and its capabilities, as it plays a crucial role in exposing OData services.
  ABAP Development: Knowledge of ABAP data types and their mappings to OData types is essential for successful service implementation.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWBEP/CM_V4_MED029 error in your SAP OData service.