properties were being used with wrong type functions, this resulted in bad memory access when getting int from an enum.

release/scripts/startup/bl_operators/vertexpaint_dirt.py

@@ -162,8 +162,8 @@ class VertexPaintDirt(bpy.types.Operator):
         obj = context.object
 
         if not obj or obj.type != 'MESH':
-            print('Error, no active mesh object, aborting')
-            return('CANCELLED',)
+            self.report({'ERROR'}, "Error, no active mesh object, aborting")
+            return {'CANCELLED'}
 
         mesh = obj.data