■ This error can occur when there are too many active subroutine, FUNCTION, and SUB calls, or when a recursive FUNCTION procedure is nested too deeply. ■ Possible solution: • Change the structure of your program or use the CLEAR or STACK statement to increase the program's allotted stack space. ■ This error cannot be trapped. ■ If you need additional help, move the cursor to a keyword and press F1 to open the Help window.