Lovatto Studio

( NullReferenceException: Object reference not set to an instance of an object
Photon.Pun.PhotonNetwork.StaticReset () (at Assets/Photon/PhotonUnityNetworking/Code/PhotonNetwork.cs:1051)
Photon.Pun.PhotonNetwork..cctor () (at Assets/Photon/PhotonUnityNetworking/Code/PhotonNetwork.cs:1028)
Rethrow as TypeInitializationException: The type initializer for 'Photon.Pun.PhotonNetwork' threw an exception.
Photon.Pun.PhotonViewInspector.OnInspectorGUI () (at Assets/Photon/PhotonUnityNetworking/Code/Editor/PhotonViewInspector.cs:72)
UnityEditor.InspectorWindow.DoOnInspectorGUI (System.Boolean rebuildOptimizedGUIBlock, UnityEditor.Editor editor, System.Boolean wasVisible, UnityEngine.Rect& contentRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1647)
UnityEditor.PopupCallbackInfo:SetEnumValueDelegate(Object, String[], Int32) ) -Console line from version 1.82 after updating my PUN2-

The error log that you posted doesn't point to any MFPS script,
can you explain with detail how you reproduce the problem.

I've already fixed it, it happened due to me actually importing Photon after MFPS instead of before.