game-editor.com

16>MainPanel.obj : error LNK2019: Unresolved external symbol "class gedString __cdecl getVersion(void)" (?getVersion@@YA?AVgedString@@XZ)，the symbol in "private: void __thiscall MainPanel::UpdateCheck(void)" (?UpdateCheck@MainPanel@@AAEXXZ) be reference
16>MainPanel.obj : error LNK2019: Unresolved external symbol "public: __thiscall RegisterPanel::RegisterPanel(class gedString,int,bool)" (??0RegisterPanel@@QAE@VgedString@@H_N@Z)，the symbol in "private: void __thiscall MainPanel::UpdateCheck(void)" (?UpdateCheck@MainPanel@@AAEXXZ) be reference
16>gameengine.lib(GameControl.obj) : error LNK2001: Unresolved external symbol "public: __thiscall RegisterPanel::RegisterPanel(class gedString,int,bool)" (??0RegisterPanel@@QAE@VgedString@@H_N@Z)
16>MainPanel.obj : error LNK2019: Unresolved external symbol "public: __thiscall AboutDlg::AboutDlg(void)" (??0AboutDlg@@QAE@XZ)，the symbol in "public: virtual bool __thiscall MainPanel::OnList(class ListPop *,int,class gedString &,int)" (?OnList@MainPanel@@UAE_NPAVListPop@@HAAVgedString@@H@Z) be reference
16>../output/gameEditor.exe : fatal error LNK1120: 3 unresolved external command

i don't know how can i do ...

Sorry, can't get this error here.

You are using the Visual Studio, right?
What configuration are you compiling? (release, debug, Win32, ...)
Are you compiling only the engine (Standalone_Pro) or the editor (Professional)?