How To Fix /IWBEP/CM_CP200 - No multiple select property setting allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 200

• Message text: No multiple select property setting allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP200 - No multiple select property setting allowed ?

  The SAP error message /IWBEP/CM_CP200 No multiple select property setting allowed typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the way the OData service is configured, specifically regarding the handling of multiple selections for a property in the service's metadata.
  Cause:
  
  Multiple Select Property Configuration: The error arises when a property in the OData service is configured to allow multiple selections, but the underlying data model or the service implementation does not support this configuration.
  Inconsistent Metadata: The metadata definition for the OData service may have inconsistencies, such as defining a property as a collection (array) while the actual implementation does not return or handle multiple values correctly.
  Service Implementation Issues: The service implementation might not be designed to handle multiple values for a specific property, leading to this error when a request is made that expects multiple values.
  
  Solution:
  
  Check Metadata Configuration: Review the metadata of the OData service to ensure that the properties are correctly defined. If a property is intended to support multiple selections, it should be defined as a collection in the metadata.
  Adjust Service Implementation: If the service is not designed to handle multiple values, you may need to modify the implementation to support this. This could involve changing the logic in the service to handle arrays or collections appropriately.
  Update Service Definition: If the property should not allow multiple selections, update the service definition to reflect that it is a single value property. This may involve changing the data model or the way the service is exposed.
  Regenerate the Service: After making changes to the metadata or implementation, regenerate the OData service and re-test to ensure that the error is resolved.
  
  Related Information:
  
  SAP Gateway: This error is related to the SAP Gateway framework, which is used to expose SAP data and services as OData services.
  OData Protocol: Understanding the OData protocol and how it handles entity sets, properties, and collections can help in troubleshooting similar issues.
  SAP Notes and Documentation: Check SAP Notes and official documentation for any known issues or updates related to the specific version of SAP Gateway you are using.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP community for further assistance.