Since Network in 1.7.8.3 gives a lot of errors when importing Playmaker in Unity 5.1.2 p3, I deleted the Network folder (I am not using any networking feature, game is SP only). Is this going to cause any crash or problems when updating Playmaker in future Unity versions? (then I'll go back to Unity 5.0.2)
The only two errors left are related to About and Upgrade Guide windows, which I am guessing won't have any issues in-game (right?).
BTW, two errors I still after removing Network actions are:
Assets/PlayMaker/Editor/AboutWindow.cs(37,13): warning CS0618: `UnityEditor.EditorWindow.title' is obsolete: `Use titleContent instead (it supports setting a title icon as well).'
and..
Assets/PlayMaker/Editor/PlayMakerUpgradeGuide.cs(38,20): warning CS0618: `UnityEditor.EditorWindow.title' is obsolete: `Use titleContent instead (it supports setting a title icon as well).'