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

  ERROR - A DEF* formal  parameter  has  the  same  name  as  a  program
  variable  but different attributes.  You should not use the same names
  for DEF* parameters or program variables.  If you do, you must  ensure
  that they have the same data type and size.