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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

■ OPTION EXPLICIT is active and you have referenced a
  variable name that has not been declared.
 
■ Possible solutions:
 
  • Declare the variable before referencing it.
 
  • Remove all OPTION EXPLICIT statements in your project.
 
■ If you need additional help, move the cursor to a keyword
  and press F1 to open the Help window.