How To Fix /IWBEP/CM_EQ012 - Getting InputQueryParameter for '&1' ended in an exception in '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_EQ -

• Message number: 012

• Message text: Getting InputQueryParameter for '&1' ended in an exception in '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_EQ012 - Getting InputQueryParameter for '&1' ended in an exception in '&2' ?

  The SAP error message /IWBEP/CM_EQ012 typically occurs in the context of SAP Gateway and OData services. This error indicates that there was an issue while trying to retrieve input query parameters for a specific entity or operation. The placeholders &1 and &2 in the error message usually represent the name of the parameter and the context in which the error occurred, respectively.
  Causes:
  
  Invalid Input Parameters: The input parameters being passed to the OData service might be invalid or not matching the expected format.
  Data Type Mismatch: There could be a mismatch between the expected data type of the input parameter and the actual data type being sent.
  Service Configuration Issues: The OData service might not be properly configured, leading to issues in parameter handling.
  Model Issues: There could be issues with the underlying data model or entity set that the OData service is trying to access.
  Authorization Issues: Lack of proper authorization to access certain data or entities can also lead to exceptions.
  
  Solutions:
  
  Check Input Parameters: Review the input parameters being sent to the OData service. Ensure they are valid and conform to the expected format and data types.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs. This can provide more context on what went wrong.
  Service Metadata: Check the service metadata (using the service URL with $metadata) to ensure that the parameters and their types are correctly defined.
  Model Validation: Validate the underlying data model and ensure that all entities and associations are correctly defined and accessible.
  Authorization Check: Ensure that the user has the necessary authorizations to access the OData service and the underlying data.
  Re-activate the Service: Sometimes, simply re-activating the OData service in the SAP Gateway can resolve transient issues.
  
  Related Information:
  
  Transaction Codes: 
  
  /IWFND/ERROR_LOG: To view error logs related to OData services.
  /IWFND/MAINT_SERVICE: To maintain and activate OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.