Library /sys$common/syshlp/basichelp.hlb Compile time errors, CANCON  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  FATAL - A CONTINUE command was typed after changes had  been  made  to
  the source code.  After changes have been made to the source code, you
  can only run the program; you cannot continue it.