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

  SEVERITY:  F

  MESSAGE TEXT:  EQUIVALENCE statement incorrectly expands a common
  block

  EXPLANATION:  A common block cannot be extended beyond its
  beginning by an EQUIVALENCE statement.