For some reason, running a custom built pack of mine, on a LAN server (which has been forwarded to work with TCP/IP via a service called Ngrok) causes the server to lagspike to oblivion the moment a player with their custom model (skin-exported) gets within server host's drawing range. Full log from my side, the model user: https://gist.github.com/TheHopelessThrumbo/b3c2beb15a0f7928b90c747deda2342e