Error while clicking filter button.

[Alan Fallguy]

I filtered by Storefront, which worked.
I then found several titles which were duplicate, but not all of the duplicated titles were actually from the storefront filtered by.
I then cllicked on the filter button again to see if I did something wrong.
This popped up:

Value cannot be null. (Parameter 'key')

App: LaunchBox

Version: 13.1
Type: System.ArgumentNullException
Site: Void ThrowKeyNullException()
Source: System.Collections.Concurrent

at System.Collections.Concurrent.ConcurrentDictionary2.ThrowKeyNullException() at System.Collections.Concurrent.ConcurrentDictionary2.TryAdd(TKey key, TValue value)

at Unbroken.LaunchBox.Windows.Desktop.ViewModels.SideBarViewModel.<>c__DisplayClass92_0.InstantiateSupportedContext()
at Unbroken.LaunchBox.Windows.Threading.<>c__DisplayClass0_0.ValidateInterfaceInfo(Object )
at Unbroken.LaunchBox.Windows.Threading.<>c__DisplayClass0_0.VerifyTypeRequest()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

Recent Log:

12:50:47 Exception

I could not reproduce this after restarting.