Opened an issue on GitHub https://github.com/CnCNet/xna-cncnet-client/issues/954
TL;DR; on startup
25.03. 13:23:14.400 Reading statistics.
25.03. 13:23:14.517 KABOOOOOOM!!! Info:
25.03. 13:23:14.517 Type: System.ArgumentOutOfRangeException
25.03. 13:23:14.517 Message: Index was out of range. Must be non-negative and less than the size of the collection. (Parameter 'index')
25.03. 13:23:14.518 Source: System.Private.CoreLib
25.03. 13:23:14.518 TargetSite.Name: ThrowArgumentOutOfRange_IndexMustBeLessException
25.03. 13:23:14.537 Stacktrace: at System.Collections.Generic.List`1.get_Item(Int32 index)
at DTAClient.DXGUI.Multiplayer.GameLobby.GameLobbyBase.GetDefaultGameModeMapFilter() in D:\a\xna-cncnet-client\xna-cncnet-client\DXMainClient\DXGUI\Multiplayer\GameLobby\GameLobbyBase.cs:line 1284
at DTAClient.DXGUI.Multiplayer.GameLobby.SkirmishLobby.LoadSettings() in D:\a\xna-cncnet-client\xna-cncnet-client\DXMainClient\DXGUI\Multiplayer\GameLobby\SkirmishLobby.cs:line 325