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

  SEVERITY:  F

  MESSAGE TEXT:  Common variable cannot be declared SHARED or PRIVATE

  EXPLANATION:  A variable within a common block cannot be specified
  in a CONTEXT_SHARED or PRIVATE compiler directive statement.
  Entire common blocks can be declared shared or private, but
  individual elements within them cannot be declared context-shared
  or private.