How To Fix S1424 - Parameter type & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 424

• Message text: Parameter type & unknown

What causes this issue?

During the parameter dialog the system detected a parameter identifier
which is not known. This may occur if the action description table
SDBAC was changed inaccurately.

System Response

The specific parameter type will not be handled. The rest of the dialog
will be normally processed.

How to fix this error?

If you changed the table SDBAC by yourself you should carefully check
these changes - otherwise you should contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1424 - Parameter type & unknown ?

  The SAP error message S1424, which states "Parameter type & unknown," typically occurs when there is an issue with the parameters being passed to a function module, report, or transaction in SAP. This error indicates that the system does not recognize the type of parameter being used, which can lead to various issues in processing.
  Causes:
  
  Incorrect Parameter Type: The parameter type being passed does not match the expected type defined in the function module or report.
  Missing or Incorrectly Defined Data Elements: If a data element or structure is not defined correctly in the ABAP Dictionary, it can lead to this error.
  Changes in Function Module: If a function module has been modified or updated, and the calling program has not been adjusted accordingly, it may lead to this error.
  Transport Issues: If the transport of a function module or program was not successful, it may lead to inconsistencies in parameter definitions.
  
  Solutions:
  
  Check Parameter Definitions: