Guys hello, my server was at the masterserver 2 months ago and masters gone 1 day.when it comes back my server wasnt in the masterserver server list ı couldnt add my server to masterserver I m taking Could not request server info error

uto detecting CPU
Using SSE2 Optimised binary.
Server will auto-restart if there is a crash.

Console initialized.
Game.dll loaded for "Counter-Strike: Source"
maxplayers set to 32
maxplayers set to 44
Error: Material "halflife/+0~fifties_lgt2" : proxy "ToggleTexture" not found!
Error: Material "halflife/+a~fifties_lgt2" : proxy "ToggleTexture" not found!
Executing dedicated server config file
Incorrect price blob version! Update your server!
ERROR: mp_dynamicpricing set to 1 but couldn't download the price list!
Error: Material "sprites/bubble" : proxy "AnimatedTexture" not found!
Section [Scenes]: 0 resources total 0 bytes, 0.00 % of limit (2.10 MB)
appdatacache.cpp (311) : Assertion Failed: !"Implement me"
couldn't exec server.cfg
Master server communication disabled.
Using 'steambeta1:27013' CSER server!
Could not establish connection to Steam servers.

I waiting your suggestion.