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

  SCALE factor interlock (ERR=127)

  A subprogram was compiled with  a  different  SCALE  factor  than  the
  calling  program.   Recompile  one of the programs with a scale factor
  that matches the other.  This error cannot be  trapped  with  a  BASIC
  error handler.