CommandBars 17 Beta 3

We 're testing Codejock 17 beta 3 Command with Office 2013 White Theme.
After loading tabs, groups and item to the ribbon the application always crashes.
We have tested it with a simple test.exe. The same result.

Stack:
>    Codejock.CommandBars.Unicode.v17.0.0.ocx!101308d0()    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!101407a7()    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!1013b84d()    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!10154f16()    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!10133fda()    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!1004e8ae()    
     mfc42u.dll!COlePropertyPage::GetMessageMap(void)    
     mfc42u.dll!Mfc42CfgThunk0(void)    
     mfc42u.dll!CWnd::OnWndMsg(unsigned int,unsigned int,long,long *)    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!1004ccd9()    
     mfc42u.dll!CWnd::WindowProc(unsigned int,unsigned int,long)    
     mfc42u.dll!AfxCallWndProc(class CWnd *,struct HWND__ *,unsigned int,unsigned int,long)    
     mfc42u.dll!AfxWndProc(struct HWND__ *,unsigned int,unsigned int,long)    
     Codejock.CommandBars.Unicode.v17.0.0.ocx!101bd77a()    
     user32.dll!__InternalCallWinProc@20()    
     user32.dll!_UserCallWinProcCheckWow@36()    
     user32.dll!_DispatchClientMessage@24()    
     user32.dll!___fnDWORD@4()    
     ntdll.dll!_KiUserCallbackDispatcher@12()    
     user32.dll!_DispatchMessageA@4()    
     msvbvm60.dll!6600a6c8()    
     msvbvm60.dll!6600a63f()    
     msvbvm60.dll!6600a5e1()    
     msvbvm60.dll!6600a51d()    
     msvbvm60.dll!6600a4e8()    
     msvbvm60.dll!66003644()    
     ITSRibbon.exe!00401636()