TTT Weapons are bugged .. since Serverupdate today !!!!

HI Guys … i had updated the Server today … because there was a Client Update today for me… BUt now the Weapons on ma TTT Server are bugged… ! The weapons are invisible or have the false skin… !!! Please Help ME !

I only become a lot of errors in console :

ERROR: Sprite model’s not supported any more except in legacy temp ents

… this is the error…

PLease help me guys Thank you