VMS Help FORTRAN, Error Messages, Compilation Errors, ENTDUMVAR  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  F

  MESSAGE TEXT:  ENTRY dummy variable previously used in executable
  statement

  EXPLANATION:  The dummy arguments of an ENTRY statement must not
  have been used previously in an executable statement in the same
  program unit.