I have this error while i try to lounch a Lineage II Chronicle 4 server, all my other clients work fine ... only Chronicle 4 get this error:
OS: Windows XP 5.1 (Build: 2600)
CPU: GenuineIntel Unknown processor @ 3421 MHz with 511MB RAM
Video: NVIDIA GeForce FX 5500 (9147)
Assertion failed: GIsEditor || GetSuperClass() || this==UObject::StaticClass() [File:UnClass.cpp] [Line: 855]
History: UClass::Bind <- (Class Entry.MyLevel) <- ULinkerLoad::CreateExport <- (MyLevel 7070) <- ULinkerLoad::Create <- UObject::StaticLoadObject <- (Engine.Level None.MyLevel Entry) <- LoadLevel <- UGameEngine::LoadMap <- UGameEngine::Init <- InitEngine