NullReferenceException: Object reference not set to an instance of an object
Unity.Multiplayer.Widgets.Editor.WidgetCreation.CreateNetworkManagerIfNotPresentInScene () (at ./Library/PackageCache/com.unity.multiplayer.widgets@5e458f651b7a/Editor/Create/WidgetCreation.cs:201)
Unity.Multiplayer.Widgets.Editor.WidgetCreation.CreateWidget (UnityEngine.GameObject source, System.String name, System.Int32 playerCount, Unity.Multiplayer.Widgets.ConnectionType connectionType) (at ./Library/PackageCache/com.unity.multiplayer.widgets@5e458f651b7a/Editor/Create/WidgetCreation.cs:135)
Unity.Multiplayer.Widgets.Editor.WidgetCreation.CreateJoinSessionByCodeWidget () (at ./Library/PackageCache/com.unity.multiplayer.widgets@5e458f651b7a/Editor/Create/WidgetCreation.cs:67)
UnityEditor.MenuUtils:MenuCallback(Object)
Unity.Hierarchy.Editor.<>c__DisplayClass0_0:<AppendFromGenericMenu>b__0(DropdownMenuAction) (at /Users/bokken/build/output/unity/unity/Modules/HierarchyEditor/Managed/DropdownMenuHelper.cs:23)
UnityEditor.GenericMenu:CatchMenu(Object, String[], Int32) (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUI/GenericMenu.cs:164)