How To Fix /IWBEP/CM_V4_MED279 - Content type property for stream '&1' in entity type '&2' not set

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 279

• Message text: Content type property for stream '&1' in entity type '&2' not set

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_MED279 - Content type property for stream '&1' in entity type '&2' not set ?

  The SAP error message /IWBEP/CM_V4_MED279 indicates that there is an issue with the content type property for a stream in an OData service. This typically occurs when the OData service is trying to handle media streams (like images, videos, or other binary data) but the content type for the stream is not properly defined or set in the metadata.
  Cause:
  
  Missing Content Type: The content type for the media stream is not defined in the entity type or the associated entity set.
  Incorrect Metadata Configuration: The OData service metadata might not be correctly configured to include the necessary content type information for the media entity.
  Service Implementation Issues: There may be issues in the implementation of the OData service that prevent it from correctly identifying or returning the content type for the media stream.
  
  Solution:
  
  
  Check Metadata: Ensure that the metadata for the OData service correctly defines the content type for the media stream. You can do this by checking the service's metadata document (usually accessible via a URL like http://<service-url>/$metadata).
  
  
  Define Content Type: If the content type is missing, you need to define it in the entity type. This can typically be done in the ABAP backend by modifying the data model or the service definition to include the content type for the media stream.
  
  
  Update Service Implementation: If you are implementing the OData service, ensure that your code correctly sets the content type for the media stream when handling requests. This may involve modifying the methods that handle the media entity to include the appropriate content type.
  
  
  Test the Service: After making changes, test the OData service again to ensure that the error is resolved and that the media stream is being handled correctly.
  
  
  Related Information:
  
  OData Services: Understanding how OData services work, especially with media entities, is crucial. Familiarize yourself with the OData protocol and how it handles media types.
  SAP Gateway: If you are using SAP Gateway, refer to the documentation on how to define media entities and their content types.
  Debugging: Use debugging tools in SAP (like transaction codes SE80 or SEGW) to trace the execution of the OData service and identify where the content type is not being set.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP community for further assistance.