■ You tried to use a function or statement that is not
available when forms are showing.
■ Possible solutions:
• Use the HIDE method to hide forms before executing any
graphics or other statements not supported when forms
are showing.
• Use the SCREEN object with the HIDE method to hide all
visible forms. For example:
SCREEN.HIDE
■ If you need additional help, move the cursor to a keyword
and press F1 to open the Help window.