qperr.hlp (Topic list)
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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Error Message
 
Error 66:  THEN expected
 
THEN was expected in the statement but not found.
 
An IF statement must include a THEN keyword, as in
 
   IF (the_color = red) THEN
       DisplayStopSign;