Diagnosis
You have called a function that the transaction/system does not know.
Either the function has not been implemented, even though there is amenu option or a pushbutton, or an incorrect function code has beentransferred to the program (error in SAPGUI).

System Response
The system cannot execute this function.

Procedure
Make a note of the function code (&V1&) stated in the error message andof the status of the screen (via System->Status) and send a problemmessage to SAP.