NPC doesnt respawn

[hoaaiww]

I set the cooldown to 5 minutes just for test and when it expires and i killed the NPC then it is not respawning even if there is not enough cop it is just laying there

Here is the console error

[script:loffe_robbery] SCRIPT ERROR: @loffe_robbery/server.lua:18: bad argument #1 to 'remove' (position out of bounds)
[script:loffe_robbery] > handler (@loffe_robbery/server.lua:18)