Message SAP WX492 - No customizing tables can be copied without a reference plant

Diagnosis
When you create a plant and have entered a reference plant, a number ofCustomizing settings are copied. This is only possible if the necessarysettings have been made for the reference plant for MM and SD processesin the Customizing system.

Procedure
If you have the necessary authorization, you can maintain the plantprofile for the reference plant.
IF &DEVICE&='SCREEN'
Proceed
ENDIF