Compilation

I have this error help me plz:

Error 2 error LNK2019: unresolved external symbol “public: void __thiscall BfGraveyard::Init(unsigned int,unsigned int,float,float,float,float,enum TeamId,unsigned int)”
(?Init@BfGraveyard@@QAEXIIMMMMW4TeamId@@I@Z) referenced in function “public: virtual bool __thiscall BattlefieldTB::SetupBattlefield(void)”
(?SetupBattlefield@BattlefieldTB@@UAE_NXZ) C:UsersSebDesktopBuildsrcserverworldservergame.lib(BattlefieldTB.obj) worldserver

Error 1 error LNK2001: unresolved external symbol "public: virtual void __thiscall BattlefieldTB::FillInitialWorldStates(class WorldPacket &)"
(?FillInitialWorldStates@BattlefieldTB@@UAEXAAVWorldPacket@@@Z) C:UsersSebDesktopBuildsrcserverworldservergame.lib(BattlefieldMgr.obj) worldserver

I want wintergrasp and tol bard.

I have résolve this probléme and i have tol barad and wintergrasp On

but i can join the battle i have this erreur:

HandleBattlefieldInviteResponse: GUID:2238289014803267584 Accepted:1