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

  ERROR - The program attempts to assign a value to a DEF  name  outside
  the  DEF block.  Remove the assignment statement.  You cannot assign a
  value to a DEF outside of the DEF block.