scripts-blender/addons/asset_pipeline_2/merge/transfer_data/transfer_functions.py

@@ -540,7 +540,7 @@ def attribute_clean(obj):
     if obj.type != "MESH":
         return
     attributes = attributes_get_editable(obj.data.attributes)
-
+    attributes_to_remove = []
     for attribute in attributes:
         matches = check_transfer_data_entry(
             obj.transfer_data_ownership,
@@ -548,8 +548,12 @@ def attribute_clean(obj):
             constants.ATTRIBUTE_KEY,
         )
         if len(matches) == 0:
-            print(f"Cleaning attribute {attribute.name}")
-            obj.data.attributes.remove(attribute)
+            attributes_to_remove.append(attribute.name)
+
+    for attribute_name_to_remove in reversed(attributes_to_remove):
+        attribute_to_remove = obj.data.attributes.get(attribute_name_to_remove)
+        print(f"Cleaning attribute {attribute.name}")
+        obj.data.attributes.remove(attribute_to_remove)
 
 
 def attribute_is_missing(transfer_data_item):