Asset Package to Geodatabase Python Error

tobeykaneseitzGIS — Thu, 02 Apr 2026 17:23:00 GMT

Hi all - I am running into the following error when trying to run the asset package to geodatabase tool. I am using ArcGIS Pro 3.5 and it seems to be hitting a python error. I've copied the full error message (with file paths slightly adjusted) below

Asset Package To Geodatabase

=====================

Tool Path

Asset Package \Transmission_Testing\March31\Test1.gdb

Service Territory Feature Class \March31\Test1.gdb\UtilityNetwork\ServiceTerritory

Folder Location ArcGISProTemp9260\Untitled

Geodatabase Name Test1_UtilityNetwork

Feature Dataset Name UtilityNetwork

Utility Network Name Network

Domain Networks Structure;Pipeline

Load data SCHEMA_ONLY

Post Process NO_POST_PROCESS

Configuration options

Rename using

Output Utility Network

Workspace Type FGDB

Utility Network Version COMPATIBLE

=====================

Messages

Start Time: Wednesday, April 1, 2026 2:14:23 PM

ArcGIS Pro 3.5.5.57366

untools 3.5.1

Executing from ArcGIS Pro, 0 map(s), activeMap = False

Parallel processing enabled: 48

Asset Package schema version: 3.5

A python error occurred.

EXCEPTION

Traceback (most recent call last):

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\common\wrappers.py", line 161, in wrapper

f = func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\gptools\tools.py", line 275, in run

ap = ap_constructor(

^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\gptools\tools.py", line 94, in ap_constructor

ap = AssetPackage(

^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\utility_network\ap.py", line 91, in __init__

self._properties: dict = self._initialize(kwargs.pop("cache", None), **kwargs)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "CAppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\common\wrappers.py", line 434, in wrapper

result = func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\utility_network\ap.py", line 127, in _initialize

data = self._validation.validate_all(asset_package=self)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\validation\validate.py", line 1170, in validate_all

klass(self).main()

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\common\wrappers.py", line 434, in wrapper

result = func(*args, **kwargs)

^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\validation\schema.py", line 2901, in main

self._validate_duplicate_existing()

File "AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\validation\schema.py", line 2889, in _validate_duplicate_existing

self._check_table_duplicates(groups)

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\validation\schema.py", line 2851, in _check_table_duplicates

{(t.name.casefold(),): tuple(t.subtypes.names_lower) for t in tables},

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\validation\schema.py", line 2851, in <dictcomp>

{(t.name.casefold(),): tuple(t.subtypes.names_lower) for t in tables},

^^^^^^^^^^^^^^^^^^^^^^

File "AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\describe\helper.py", line 197, in names_lower

return [n.casefold() for n in self.names]

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone-2\Lib\site-packages\untools\describe\helper.py", line 197, in <listcomp>

return [n.casefold() for n in self.names]

^^^^^^^^^^

AttributeError: 'NoneType' object has no attribute 'casefold'

Failed script Asset Package To Geodatabase...

Failed to execute (AssetPackageToFileGeodatabase).

Failed at Wednesday, April 1, 2026 2:15:21 PM (Elapsed Time: 57.87 seconds)

Re: Asset Package to Geodatabase Python Error

MikeMillerGIS — Tue, 07 Apr 2026 12:10:56 GMT

Could I get a schema only copy of test1.gdb to see what is going on?

topic Asset Package to Geodatabase Python Error in ArcGIS Utility Network Questions

Asset Package to Geodatabase Python Error

Re: Asset Package to Geodatabase Python Error