You have Draw Distance too low.You may want to turn it up to about 0.800.
Maybe it is all the stuff mods you have. Remind me NOT to go to your server. It will probably cause me to get invalid packets in all others.
Turn off those add-onsIt is probobly because your computer is slow
At first it looked like your physical player was deleted somehow, but now that I get a better look at it, I highly doubt that's the case.
findclientbyname("name").player.delete();