[Warning]: npc_parsename: Duplicate unique name in file 'npc/test/upgrade.txt',
line'1'. Renaming 'Sample' to '1_171_155_181'.
[Debug]: this npc:
   display name 'Sample'
   unique name 'Sample'
   map=prontera, x=155, y=181
[Debug]: other npc:
   display name 'Sample'
   unique name 'Sample'
   map=prontera, x=155, y=181