Mac drag to change variable value

MapMagic 2...0
Mac OS Mojave 10.14.6

1. start a new scene
2. add template graph to secede
3. open graph editor
4. try to use mouse to drag/change variable values in nodes
5. error below appears and value does not change (but you can still type values in directly without issue)

Draw Graph Window failed: System.DllNotFoundException: user32.dll
at (wrapper managed-to-native) Plugins.GUI.Draw.GetCursorPos(UnityEngine.Vector2Int&)