Critical Error to Character log

[brian33]

Hi, I have a problem with the critical error

 

 

2013.4.20 15:20:57

OS : Windows Vista 6.1 (Build: 7601)

CPU : AuthenticAMD  AMD Athlon II X2 250u Processor @ 1596 MHz 2046MB RAM

Video : ATI Mobility Radeon HD 4530 (716)

PosCode : LS1(83) 156810:25891:-2013 2/0 [828]

 

Assertion failed: ThisActor->IsValid() [File:.\UnLevAct.cpp] [Line: 356]

 

History: ULevel::DestroyActor <- (CStatusIconItem400 Transient.FNameError) <- NCCharacterViewportWnd::UpdateUser <- NConsoleWnd::UpdateCharacterViewportUser <- Setting 12 <- UIPacket <- UNetworkHandler::Tick <- Function Name=UIPacket <- UGameEngine::Tick <- UpdateWorld <- MainLoop

 

 

Por favor necesito una solucion

 

sorry for my English