Error while importing mame rom set
Value cannot be null. (Parameter 'key')
App: LaunchBox
Version: 12.14
Type: System.ArgumentNullException
Site: Void ThrowKeyNullException()
Source: System.Collections.Concurrent
at System.Collections.Concurrent.ConcurrentDictionary2.ThrowKeyNullException() at Unbroken.LaunchBox.Windows.Processes.BezelDownloader.<>c__DisplayClass9_0.CalculateTransformerDic(String gameId) at Unbroken.LaunchBox.Windows.Threading.<>c__DisplayClass7_1
1.ResolveTransformerFilter()
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:
9:33:15 AM Exception