v7.7-beta3 Crash on startup

[Former user]

Contents of the crash:

Value cannot be null. Parameter name: key

Type: System.ArgumentNullException Site: Boolean ContainsKey(TKey) Source: mscorlib 7.7-beta-3

at System.Collections.Concurrent.ConcurrentDictionary`2.ContainsKey(TKey key) at (DataManager , String ) at Unbroken.LaunchBox.Data.DataManager.LoadGames(String filePath) at (DataManager , Boolean , Boolean ) at Unbroken.LaunchBox.Data.DataManager.Load(Boolean settingsOnly, Boolean forceReloadAll) at Unbroken.LaunchBox.Data.DataManager..ctor(Boolean bare, Boolean settingsOnly) at (String[] ) at Unbroken.LaunchBox.Desktop.Program.Main(String[] args)

[Jason Carr]

This was fixed in a previous beta.