How To Fix /IWBEP/CM_CP229 - Filter on technical property '&1' is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 229

• Message text: Filter on technical property '&1' is not possible

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_CP229 - Filter on technical property '&1' is not possible ?

  The SAP error message /IWBEP/CM_CP229 Filter on technical property '&1' is not possible typically occurs in the context of OData services when there is an attempt to filter on a technical property that is not supported or not allowed for filtering in the OData service.
  Cause:
  
  Technical Property: The property you are trying to filter on is a technical property (like a system-generated ID or timestamp) that is not exposed for filtering in the OData service.
  Service Definition: The OData service may not have been defined to allow filtering on that specific property.
  Data Model: The underlying data model may not support filtering on that property due to its nature or the way it is defined in the service.
  
  Solution:
  
  Check Service Metadata: Review the OData service metadata (usually accessible via the $metadata endpoint) to see if the property is listed and if it is marked as filterable.
  Modify Service Definition: If you have access to the service definition, you may need to modify it to allow filtering on the desired property. This may involve adjusting the annotations in the service's data model.
  Use Alternative Properties: If filtering on the technical property is not possible, consider using alternative properties that are allowed for filtering.
  Consult Documentation: Refer to SAP documentation or the OData service documentation for specific guidelines on which properties can be filtered.
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address this issue.
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP, including the concepts of entity types, properties, and the service's metadata.
  SAP Gateway: Familiarity with SAP Gateway and how it handles OData services can provide insights into service configuration and limitations.
  SAP Community: Engaging with the SAP Community or forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.