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extras/changelog/ got 'NoneType' object has no attribute '_base_manager' #4391

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opened 2025-12-29 18:35:31 +01:00 by adam · 2 comments
adam commented 2025-12-29 18:35:31 +01:00
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Originally created by @hyudra on GitHub (Dec 22, 2020).

Environment

  • Python version: 3.9.1
  • NetBox version: 2.10.2

Steps to Reproduce

  1. Upgrade from v2.9.9 from docker
  2. open /extras/changelog/

Expected Behavior

Able to see all changelog properly

Observed Behavior

got error

<class 'AttributeError'>
'NoneType' object has no attribute '_base_manager'

I can see changelog from homepage and api properly. Not sure where to look for troubleshooting

Originally created by @hyudra on GitHub (Dec 22, 2020). <!-- NOTE: IF YOUR ISSUE DOES NOT FOLLOW THIS TEMPLATE, IT WILL BE CLOSED. This form is only for reporting reproducible bugs. If you need assistance with NetBox installation, or if you have a general question, please start a discussion instead: https://github.com/netbox-community/netbox/discussions Please describe the environment in which you are running NetBox. Be sure that you are running an unmodified instance of the latest stable release before submitting a bug report, and that any plugins have been disabled. --> ### Environment * Python version: 3.9.1 * NetBox version: 2.10.2 <!-- Describe in detail the exact steps that someone else can take to reproduce this bug using the current stable release of NetBox. Begin with the creation of any necessary database objects and call out every operation being performed explicitly. If reporting a bug in the REST API, be sure to reconstruct the raw HTTP request(s) being made: Don't rely on a client library such as pynetbox. --> ### Steps to Reproduce 1. Upgrade from v2.9.9 from docker 2. open /extras/changelog/ <!-- What did you expect to happen? --> ### Expected Behavior Able to see all changelog properly <!-- What happened instead? --> ### Observed Behavior got error ><class 'AttributeError'> 'NoneType' object has no attribute '_base_manager' I can see changelog from homepage and api properly. Not sure where to look for troubleshooting
adam closed this issue 2025-12-29 18:35:31 +01:00
adam commented 2025-12-29 18:35:32 +01:00
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@hyudra commented on GitHub (Dec 22, 2020):

Found root cause.
Seem relate to ldap configuration populate invalid email address.

@hyudra commented on GitHub (Dec 22, 2020): Found root cause. Seem relate to ldap configuration populate invalid email address.
adam commented 2025-12-29 18:35:32 +01:00
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@lordlan31 commented on GitHub (Dec 29, 2020):

Error after update to netbox-2.10.2:
AttributeError: 'NoneType' object has no attribute '_base_manager'
How is it solved?

@lordlan31 commented on GitHub (Dec 29, 2020): Error after update to netbox-2.10.2: AttributeError: 'NoneType' object has no attribute '_base_manager' How is it solved?
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Reference: starred/netbox#4391
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