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

  ERROR - You cannot use a static string that is a parameter declared in
  a  DEF  or DEF* function as the storage area in a MAP DYNAMIC or REMAP
  statement.  Change the storage area specification in the  MAP  DYNAMIC
  or  REMAP  statement  to  use  either  a  MAP  name or a static string
  variable that is not a parameter to the DEF or DEF* function.