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

  ERROR - The program contains an END IF statement that  either  is  not
  preceded  by an IF statement or occurs after an IF has been terminated
  by a line number.  Supply an IF statement, or remove  the  terminating
  line number.