I have one main screen. which is created by sap.i have created one subscren, in this i created one push button.
i have wrote the code under PAI of this screen like this
ok_code is defined in topinclude.
when clicking on the pushbutton of the subscreen.
it is giving the error message like this "Requested Function Code 'BM' is not available.
we are getting the value in ok_code.
plese let me know why ok_code not taking.