How To Fix /IWBEP/CM_V4_APPS051 - Invalid filter option '&1' for property '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_APPS -

• Message number: 051

• Message text: Invalid filter option '&1' for property '&2'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_APPS051 - Invalid filter option '&1' for property '&2' ?

  The SAP error message /IWBEP/CM_V4_APPS051 Invalid filter option '&1' for property '&2' typically occurs in the context of OData services when there is an issue with the filter options being used in a query. This error indicates that the filter option specified in the request is not valid for the property being queried.
  Cause:
  
  Invalid Filter Option: The filter option specified in the OData query is not supported for the property. For example, using a filter option like startswith on a property that does not support it.
  Data Type Mismatch: The filter option may not be applicable due to a mismatch in data types. For instance, trying to apply a numeric filter on a string property.
  Service Metadata: The OData service metadata may not correctly define the capabilities of the properties, leading to confusion about what filters are valid.
  Incorrect Syntax: There may be a syntax error in the OData query that leads to the interpretation of an invalid filter option.
  
  Solution:
  
  Check OData Query: Review the OData query being sent to ensure that the filter options used are valid for the properties being queried. Refer to the OData service documentation for valid filter options.
  Review Metadata: Access the service metadata (usually available at the service URL with $metadata appended) to understand the properties and their supported operations.
  Correct Data Types: Ensure that the filter options are being applied to the correct data types. For example, if a property is of type Edm.String, ensure that string-related filter options are used.
  Test with Simple Queries: Start with simpler queries to isolate the issue. Gradually add complexity to identify which specific filter option is causing the error.
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may address known issues or provide guidance on the specific OData service you are using.
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and its filter options can help in constructing valid queries. The OData V4 specification provides detailed information on supported operations.
  SAP Gateway: If you are using SAP Gateway, ensure that the service is properly configured and that the annotations for the properties are correctly defined.
  Debugging Tools: Use tools like Postman or SAP Gateway Client to test OData queries and see the responses directly, which can help in debugging the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.