Dark RP problem on server

K, so i join in serv and i have a realy laggy i check the console and it says

KeyValues Error: RecursiveLoadFromBuffer: got EOF instead of keyname in file models/Chipstiks_PCMod_Models/Speakers/StandardSpeakerMetal.mdl
mdlkeyvalue, (prop_data),

Every time when lag that message showing up
How can i fix it and normal play on server?