How To Fix /IWBEP/CM_V4_RUNTIME139 - Target parameter '&1' must be primitive

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 139

• Message text: Target parameter '&1' must be primitive

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME139 - Target parameter '&1' must be primitive ?

  The SAP error message /IWBEP/CM_V4_RUNTIME139 Target parameter '&1' must be primitive typically occurs in the context of SAP Gateway and OData services. This error indicates that a target parameter in an OData service is expected to be a primitive type (such as string, integer, boolean, etc.), but it is not.
  Cause:
  
  Non-Primitive Type: The target parameter specified in the error message is likely defined as a complex type or an entity type in the OData service, rather than a primitive type.
  Incorrect Mapping: There may be an issue with how the parameters are mapped in the OData service implementation or in the service definition.
  Service Definition Issues: The OData service metadata might not be correctly defined, leading to confusion about the expected types.
  
  Solution:
  
  Check Parameter Definition: Review the definition of the target parameter in the OData service. Ensure that it is defined as a primitive type in the service metadata.
  Update Service Implementation: If the parameter is intended to be a complex type, you may need to adjust your service implementation to handle it correctly. If it should be a primitive type, modify the service definition accordingly.
  Regenerate Service: If changes are made to the data model or service definition, regenerate the OData service to ensure that the changes are reflected in the service metadata.
  Test with Different Data: Sometimes, the error can be triggered by specific data being sent to the service. Test with different inputs to see if the error persists.
  Check for Annotations: Ensure that any annotations related to the parameter are correctly defined and do not conflict with the expected data types.
  
  Related Information:
  
  OData Service Metadata: You can view the service metadata by appending $metadata to the service URL. This will give you insight into the types defined in the service.
  SAP Gateway Logs: Check the SAP Gateway logs for additional details about the error. This can provide more context on what might be causing the issue.
  SAP Notes and Documentation: Look for relevant SAP Notes or documentation that might address this specific error or provide guidance on OData service development.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP community for further assistance.