SAP Message 54308 - Parameters reset. Entries not possible when deleting

Diagnosis
You have chosen the delete function (9) for the parameterAction to be performed. When the delete function is used, youmust not enter anything for the parameter New wage type area.

System Response
The system deleted your entry for the parameter New wage typearea.

Procedure
You can continue to use the delete function once you have pressedENTER.