Datetime: 10/17/2025 12:11:54 Environment PATH: D:\Spiele\Ultima Online\Schattenwelt\Schattenwelt-Gamefiles .NET Environment PATH: D:\Spiele\Ultima Online\Schattenwelt\Schattenwelt-Gamefiles args: D:\Spiele\Ultima Online\Schattenwelt\Schattenwelt-Gamefiles\ClassicUOLauncher.exe System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values. at System.ThrowHelper.ThrowArgumentOutOfRangeException() + 0x24 at System.IO.StreamWriter.Flush(Boolean, Boolean) + 0x1e9 at System.IO.StreamWriter.WriteLine(String) + 0xe9 at ClassicUOLauncher.Log.Error(String w) + 0x14a at ClassicUOLauncher.Patcher.FilePatcher.d__12.MoveNext() + 0x286 --- End of stack trace from previous location --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() + 0x20 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task) + 0xb2 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task, ConfigureAwaitOptions) + 0x4b at ClassicUOLauncher.Patcher.LauncherFilePatcher.d__3.MoveNext() + 0x10c --- End of stack trace from previous location --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() + 0x20 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task) + 0xb2 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task, ConfigureAwaitOptions) + 0x4b at ClassicUOLauncher.UIManager.DrawMain() + 0x88 at ClassicUOLauncher.Engine.Draw(GameTime) + 0x13f at Microsoft.Xna.Framework.Game.Tick() + 0x2fe at Microsoft.Xna.Framework.Game.RunLoop() + 0x52 at Microsoft.Xna.Framework.Game.Run() + 0x9e at ClassicUOLauncher.Program.Main(String[] args) + 0x1cc5