---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
File /opt/conda/lib/python3.11/site-packages/arcgis/_impl/common/_clone.py:3385, in _FeatureServiceDefinition.clone(self)
   3381 # validate admin_layer_info
   3382 if (
   3383     new_service is not None
   3384     and "adminLayerInfo" in layer
-> 3385     and "viewLayerDefinition" in layer["adminLayerInfo"]
   3386     and "table"
   3387     in layer["adminLayerInfo"]["viewLayerDefinition"]
   3388 ):
   3389     layer["adminLayerInfo"]["viewLayerDefinition"]["table"][
   3390         "sourceServiceName"
   3391     ] = os.path.basename(
   3392         os.path.dirname(new_service["url"])
   3393     )

TypeError: argument of type 'NoneType' is not iterable

During handling of the above exception, another exception occurred:

_ItemCreateException                      Traceback (most recent call last)
Cell In[18], line 2
      1 # Clone the Usage Dashboard template and its related content (Feature Service and View).
----> 2 clones = gis.content.clone_items(
      3     items = [template_item],
      4     folder = 'Demo ArcGIS Usage Data Dashboard',    # Place in a folder to help keep things organized while experimenting.
      5     search_existing_items = False                   # Create new clones, regardless of any existing clones.
      6 )
      7 clones

File /opt/conda/lib/python3.11/site-packages/arcgis/gis/__init__.py:8757, in ContentManager.clone_items(self, items, folder, item_extent, use_org_basemap, copy_data, copy_global_ids, search_existing_items, item_mapping, group_mapping, owner, preserve_item_id, export_service, preserve_editing_info, **kwargs)
   8736     preserve_item_id = False
   8738 deep_cloner = clone._DeepCloner(
   8739     self._gis,
   8740     items,
   (...)
   8755     wab_code_attach=kwargs.pop("copy_code_attachment", True),
   8756 )
-> 8757 return deep_cloner.clone()

File /opt/conda/lib/python3.11/site-packages/arcgis/_impl/common/_clone.py:1347, in _DeepCloner.clone(self)
   1343 # elif len([node for node in self._graph.values() if isinstance(node, _StoryMapDefinition)]) > 0:
   1344 #    return self._clone_synchronous()
   1345 else:
   1346     with concurrent.futures.ThreadPoolExecutor(max_workers=20) as executor:
-> 1347         results = executor.submit(self._clone, executor).result()
   1348         return results

File /opt/conda/lib/python3.11/concurrent/futures/_base.py:456, in Future.result(self, timeout)
    454     raise CancelledError()
    455 elif self._state == FINISHED:
--> 456     return self.__get_result()
    457 else:
    458     raise TimeoutError()

File /opt/conda/lib/python3.11/concurrent/futures/_base.py:401, in Future.__get_result(self)
    399 if self._exception:
    400     try:
--> 401         raise self._exception
    402     finally:
    403         # Break a reference cycle with the exception in self._exception
    404         self = None

File /opt/conda/lib/python3.11/concurrent/futures/thread.py:58, in _WorkItem.run(self)
     55     return
     57 try:
---> 58     result = self.fn(*self.args, **self.kwargs)
     59 except BaseException as exc:
     60     self.future.set_exception(exc)

File /opt/conda/lib/python3.11/site-packages/arcgis/_impl/common/_clone.py:1321, in _DeepCloner._clone(self, excecutor)
   1319                     item.protected = False
   1320                 item.delete()
-> 1321         raise ex
   1323 level += 1
   1324 leaf_nodes = self._get_leaf_nodes()

File /opt/conda/lib/python3.11/concurrent/futures/thread.py:58, in _WorkItem.run(self)
     55     return
     57 try:
---> 58     result = self.fn(*self.args, **self.kwargs)
     59 except BaseException as exc:
     60     self.future.set_exception(exc)

File /opt/conda/lib/python3.11/site-packages/arcgis/_impl/common/_clone.py:4270, in _FeatureServiceDefinition.clone(self)
   4268     return new_item
   4269 except Exception as ex:
-> 4270     raise _ItemCreateException(
   4271         "Failed to create {0} {1}: {2}".format(
   4272             original_item["type"], original_item["title"], str(ex)
   4273         ),
   4274         new_item,
   4275     )

_ItemCreateException: ("Failed to create Feature Service Demo_Usage_Data_Public_Template: argument of type 'NoneType' is not iterable", <Item title:"Demo_Usage_Data_Public_Template_e1e9e" type:Feature Layer Collection owner:knooptp_umich>)

gis = GIS("home") 
clones = gis.content.clone_items(
    items = [gis.content.get('37f5340bad2b45649f2944023da70d1a')],
    folder = 'Demo Dashboard',   
    search_existing_items = False
)
clones