//docs/MPGui.doc/MPGuiError

   NAME   
  MPGuiError -- Returns the error message for an MPGuiHandle. (V3)

   SYNOPSIS
  Message = MPGuiError(gh )
  D0                   A0

  char * MPGuiError( struct MPGuiHandle *);

   FUNCTION
  Returns the error message for an MPGuiHandle.

   INPUTS
  gh - MPGuiHandle allocated by AllocMPGuiHandleA().

   RESULT
  Message - The text of an error message. May be multi line.

   EXAMPLE

   NOTES
  Use after SyncMPGuiRequest() returns -1.

   BUGS

   SEE ALSO
  SyncMPGuiRequest().