Changing x and y

[raslos]

Hello rz, i wanna change x and y coordinates of mobes in dungeon, for example lava hellfire (hard)
I change it in missiondungeon.scp and i think i need to change in worldmmap 62, but i have an error and dc in game.
Logs here, can any one tell me what i do wrong?

[##ERROR##] LoadQDMobData(): Tile for Spawn don't Exist : DunIdx(4123), MobMapIdx(0), MobSpeciesIdx(1605)
[Wed Jul 6 2016 17:28:30.046025 2183973744]: close(): closing(46.147.193.6)
[Wed Jul 6 2016 17:28:30.046129 2183973744]: 1.close user -1 [C9EBE68] (46.147.193.6)
[Wed Jul 6 2016 17:28:30.046162 2183973744]: [##ERROR##] OnITCResultWarpC(): Can't Enter the Dungeon : CharIdx(8), DunIdx(4123)
[Wed Jul 6 2016 17:28:30.046359 2183973744]: PetInformationMap Count:0

[MentaL]