Leave Local View mode before attempting to Add Mesh objects.

korman/operators/op_mesh.py

@@ -140,11 +140,9 @@ class PlasmaAddLadderMeshOperator(PlasmaMeshOperator, bpy.types.Operator):
             row.label("Warning: Operator does not work in local view mode", icon="ERROR")
 
     def execute(self, context):
-        if context.mode == "OBJECT":
+        if context.space_data.local_view:
+            bpy.ops.view3d.localview()
         self.create_ladder_objects()
-        else:
-            self.report({"WARNING"}, "Ladder creation only valid in Object mode")
-            return {"CANCELLED"}
         return {"FINISHED"}
 
     def create_guide_rungs(self):
@@ -431,14 +429,11 @@ class PlasmaAddLinkingBookMeshOperator(PlasmaMeshOperator, bpy.types.Operator):
             row.label("Warning: Operator does not work in local view mode", icon="ERROR")
 
     def execute(self, context):
-        if context.mode == "OBJECT":
+        if context.space_data.local_view:
+            bpy.ops.view3d.localview()
         self.create_linkingbook_objects()
-        else:
-            self.report({"WARNING"}, "Linking Book creation only valid in Object mode")
-            return {"CANCELLED"}
         return {"FINISHED"}
 
-
     def create_linkingbook_objects(self):
         bpyscene = bpy.context.scene
         cursor_shift = mathutils.Matrix.Translation(bpy.context.scene.cursor_location)