Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

■ You used "FN" as the first two letters of a SUB procedure
  or variable name.
 
■ "FN" can be used as the first two letters only when calling
  a DEF FN function.
 
■ Possible solution:
 
  • Rename your SUB procedure or variable.
 
■ If you need additional help, move the cursor to a keyword
  and press F1 to open the Help window.