ArrayTypeMismatchException Error

After updating to latest Unity and latest A* version I’m getting the following error…

ArrayTypeMismatchException: Source array type cannot be assigned to destination array type.
Pathfinding.Serialization.AstarSerializer.DeserializeEditorSettings (Pathfinding.GraphEditorBase[] graphEditors) (at Assets/Plugins/AstarPathfindingProject/Core/Serialization/JsonSerializer.cs:728)
AstarPathEditor+c__AnonStorey4.<>m__2 (Boolean force) (at Assets/AstarPathfindingEditor/Editor/AstarPathEditor.cs:2282)
AstarPath.ProcessWorkItems (Boolean force) (at Assets/Plugins/AstarPathfindingProject/Core/AstarPath.cs:800)