How To Fix /IWBEP/CM_V4S_RUN029 - The value of parameter '&1' has not been converted

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 029

• Message text: The value of parameter '&1' has not been converted

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_V4S_RUN029 - The value of parameter '&1' has not been converted ?

  The SAP error message /IWBEP/CM_V4S_RUN029 typically indicates that there is an issue with the conversion of a parameter value in an OData service. This error often arises when the value provided for a parameter does not match the expected format or type defined in the OData service metadata.
  Cause:
  
  Data Type Mismatch: The value provided for the parameter does not match the expected data type (e.g., string, integer, date).
  Invalid Format: The value may be in an incorrect format (e.g., date formats, decimal separators).
  Missing Required Parameters: If a required parameter is missing or not provided correctly, it can lead to this error.
  Service Metadata Issues: There may be discrepancies in the OData service metadata that define the expected parameters and their types.
  
  Solution:
  
  Check Parameter Values: Review the values being passed to the OData service and ensure they match the expected data types and formats as defined in the service metadata.
  Validate Input Formats: Ensure that date formats, number formats, and other specific formats are adhered to. For example, if a date is expected in YYYY-MM-DD format, ensure it is provided in that format.
  Review OData Service Metadata: Use the OData service's metadata endpoint (usually accessible via a URL ending in $metadata) to check the expected types and formats for the parameters.
  Debugging: If you have access to the backend, consider debugging the OData service to see how the parameters are being processed and where the conversion is failing.
  Error Handling: Implement error handling in your application to catch such errors and provide meaningful feedback to users.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  OData Documentation: Review the OData documentation for guidelines on parameter types and expected formats.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.