■ More than one condition can cause this error: • Your program is attempting to use an array that is not currently defined. • You have an undeclared function that appears to be an array. For example: X% = F(20) ■ Possible solution: • Make sure the array is defined with a DIM or REDIM statement. • Verify that all functions have been declared using the appropriate DECLARE statement. ■ If you need additional help, move the cursor to a keyword and press F1 to open the Help window.