VMS Help CC, Messages, NOTLOCALPARM  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Message        <Context> "<identifier>" is not a local parameter.

 Description    The second argument to the variable argument list
                va_start macro is not a formal parameter of the
                current function.  The second argument to va_start
                should be the rightmost parameter in the function
                definition.

 User Action    Correct the second argument to va_start.