How To Fix /IWFND/MED198 - Service parameters '&1','&2' have invalid value / format.

/IWFND/MED198 - Overview

• Message type: E = Error

• Message class: /IWFND/MED -

• Message number: 198

• Message text: Service parameters '&1','&2' have invalid value / format.

Self-Explanatory Message

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/IWFND/MED198 - Details

• The SAP error message /IWFND/MED198 indicates that there is an issue with the service parameters being passed to an OData service. Specifically, the parameters &1 and &2 have invalid values or formats. This error typically occurs in the context of SAP Gateway services when the request parameters do not conform to the expected format or value constraints defined in the service.
  Causes:
  
  Invalid Parameter Values: The values being passed for the parameters do not match the expected data types or formats. For example, if a parameter expects a date format and receives a string, this error may occur.
  Missing Required Parameters: If required parameters are not included in the request, it can lead to this error.
  Incorrect Parameter Names: If the parameter names in the request do not match the expected names defined in the OData service, this error can be triggered.
  Service 
  Configuration Issues: There may be issues with the service configuration in the