Informix Error -3764

-3764 Screen too small. Must be at least 6 lines and 30 columns.

PERFORM cannot operate in a screen or window that is smaller than 6 lines by 30 columns. You must increase the size of the terminal window in which you are executing PERFORM. The absolute minimum is 6 lines by 30 columns. However, the window must also be large enough to contain the form that will be displayed.