scripts-blender/addons/brushstroke_tools/utils.py

@@ -33,6 +33,10 @@ def refresh_preset(dummy):
         if not mod_info:
             mod_info = settings.preset_object.modifier_info.add()
             mod_info.name = mod.name
+        if not mod.type == 'NODES':
+            continue
+        if not mod.node_group:
+            continue
         for v in mod.node_group.interface.items_tree.values():
             if type(v) is bpy.types.NodeTreeInterfacePanel:
                 v_id = f'Panel_{v.index}' # TODO: replace with panel identifier once that is exposed in Blender 4.3