Server crashes after building a new workshop!

Hello. I just created a "bank" and after i build it i experience server crash.
Can anyone help me ?

Spoiler

# room syntax - room name; room level (0 menu - 1... upgrade); room sprite; room help text; room items/functions, item2, item3 ...; costs , , , (g gold, s stone, w wood, c coins, l level, u upgrades_from, r requires_roomname- none) ...
@$rooms = BOMB WORKSHOP; Entities/Rooms/Sprites/BombShop.png; Press $KEY7$ to buy bombs; bomb; s50, w30;
QUARTERS; Entities/Rooms/Sprites/Quarters.png; Wait inside to heal; heal; w30, s30;
ARROW WORKSHOP; Entities/Rooms/Sprites/ArrowShop.png; Press $KEY7$ to make arrow; arrow; w50, s30;
SIEGE WORKSHOP; Entities/Rooms/Sprites/SiegeShop.png; Press $KEY7$ to build\ncatapult or outpost; catapult, outpost; w30, s50, g30;
BANK; Entities/Rooms/Sprites/Bank.png; Press $KEY7$ to exchange\n coins; bankk; s20, w60;
;

# room_function syntax - function name; function actor name; function config file; function icon; function make sound; function icon frame; function icon frame size; function help text; costs , , , (g gold, s stone, w wood, c coins - none) ...
@$room_functions = bomb; -; -; Entities/Items/Sprites/MaterialStacks.png; Entities/Rooms/Sounds/BombMake.ogg; 12; 16; Bomb costs 20 coins; c20;
arrow; -; -; Entities/Items/Sprites/MaterialStacks.png; Entities/Rooms/Sounds/ArrowsMake.ogg; 10; 16; Arrow cost 1 coin; c*10;
catapult; -; -; Sprites/catapult.png; d; 0; 32; Construct a Catapult; w120, c20;
outpost; -; -; Sprites/outpost1.png; d; 0; 32; Construct an Outpost; w120, c50;
heal; -; -; -; Sounds/heart.ogg; 0; 0; Stay here and be healed!; -;
bank; -; -; Sprites/Items/MaterialStacks.png; Sounds/bomb_make.ogg; 8; 16; Buy 10 gold for 100 coins!; c100, g-10;
;

Thanks

 

Thanks for you reply!

 

Banks do work. In the function for the room

you have 2 k's. Maybe thats the problem?