Ha!
I found the problem. It was in this plugin:
https://forums.alliedmods.net/showthread.php?t=252570.
The edict removal function was crashing the server.
I replaced it with:
HTML Code:
DispatchKeyValue (kit_ent, "OnPlayerTouch", "! Self, Kill ,, 0, -1");
And now everything is working properly!
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