DivideByZeroException: Attempted to divide by zero.
UnityEditor.TerrainInspector.GetAspectRect (System.Int32 elementCount, System.Int32 approxSize, System.Int32 extraLineHeight, System.Int32& itemsPerRow) (at <b8968fbbb2c44f7fa1b07fef0419683f>:0)
UnityEditor.TerrainInspector.AspectSelectionGridImageAndText (System.Int32 selected, System.Int32 itemCount, UnityEngine.GUI+CustomSelectionGridItemGUI itemGUI, System.Int32 approxSize, UnityEngine.GUIContent emptyString, System.Boolean& doubleClick) (at <b8968fbbb2c44f7fa1b07fef0419683f>:0)
UnityEditor.TerrainInspector.AspectSelectionGridImageAndText (System.Int32 selected, UnityEngine.GUIContent[] textures, System.Int32 approxSize, UnityEngine.GUIContent emptyString, System.Boolean& doubleClick) (at <b8968fbbb2c44f7fa1b07fef0419683f>:0)
UnityEditor.TerrainInspector.ShowTrees () (at <b8968fbbb2c44f7fa1b07fef0419683f>:0)
UnityEditor.TerrainInspector.OnInspectorGUI () (at <b8968fbbb2c44f7fa1b07fef0419683f>:0)
UnityEditor.UIElements.InspectorElement+<>c__DisplayClass62_0.<CreateIMGUIInspectorFromEditor>b__0 () (at <ee48b8ae69154dea8f7fbc0df7f71dc6>:0)
UnityEditor.InspectorWindow:RedrawFromNative()