How To Fix /IWBEP/CM_MGW_EXPR003 - Invalid value '&1' for filter function '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_EXPR -

• Message number: 003

• Message text: Invalid value '&1' for filter function '&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.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_EXPR003 - Invalid value '&1' for filter function '&2' ?

  The SAP error message /IWBEP/CM_MGW_EXPR003 indicates that there is an invalid value being used for a filter function in an OData service. This error typically occurs when the value provided for a filter does not match the expected format or type defined in the OData service metadata.
  Cause:
  
  Invalid Data Type: The value provided for the filter does not match the expected data type (e.g., string, integer, date).
  Incorrect Value Format: The value may not be in the correct format (e.g., date format, string escaping).
  Unsupported Characters: The value may contain characters that are not supported or expected by the filter function.
  Filter Function Misconfiguration: The filter function itself may be misconfigured or not properly defined in the OData service.
  
  Solution:
  
  Check Data Types: Ensure that the value you are passing in the filter matches the expected data type defined in the OData service metadata.
  Validate Value Format: Make sure that the value is in the correct format. For example, if the filter expects a date, ensure that the date is formatted correctly (e.g., YYYY-MM-DD).
  Escape Special Characters: If the value contains special characters, ensure they are properly escaped according to OData standards.
  Review OData Service Metadata: Check the OData service metadata to understand the expected values for the filter functions. You can access the metadata by appending $metadata to the OData service URL.
  Test with Known Values: Try using known valid values for the filter to see if the error persists. This can help isolate whether the issue is with the specific value being used.
  Debugging: If you have access to the backend, consider debugging the OData service to see how the filter values are being processed.
  
  Related Information:
  
  OData Documentation: Review the OData documentation for details on filter expressions and data types.
  SAP Notes: Check SAP Notes for any known issues or patches related to the OData service you are using.
  Community Forums: Look for discussions in SAP Community or other forums where similar issues may have been addressed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.