/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Compilation Errors, ROUREFREC  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  F

  MESSAGE TEXT:  Routine referenced recursively; /RECURSIVE required

  EXPLANATION:  A subroutine, function or entry name was referenced
  recursively in the same program unit, but the /RECURSIVE command or
  OPTIONS statement qualifier was not specified.