Error in module pool
I have created one main screen & calling a sub screen from there.in the subscreen I have created a push button with function code. the corresponding OK_CODE is defined in the main screen.
The problem is if I click on the pushbutton the error message'Invalid field format (screen error)' is been displayed. If I remove the function code the error is not coming.
Can any one tell what is the problem here?
Thanks & Regards,