Custom field (type object) pointed to Device Role - Field 'id' expected a number but got 'true'. #358

New Issue

MrUnknownDE · 2026-04-05T16:27:17+02:00

MrUnknownDE commented

2026-04-05 16:27:17 +02:00

Originally created by @simonzsay on 2/13/2026

NetBox Edition

NetBox Community

NetBox Version

NetBox Community v4.5.2-Docker-4.0.0

Python Version

3.12

Steps to Reproduce

Hello, Dear Netbox Developers!

Create custom field
name: device_type_device_role
object: Device Type
label: Device Role
type: Object
related object type: Device Role
Go to /dcim/device-types/
On top of page use "Filters" (tab near Results)
At the bottom of the page at Custom Fields section under Device role choose "is empty" or "is not empty"

Expected Behavior

Don`t know if it possible for such custom field, but expected to see results which is not empty or empty.

Observed Behavior

Get an error

<class 'ValueError'>
Field 'id' expected a number but got 'false'.
/device-types/?cf_device_type_device_role__empty=false

*Originally created by @simonzsay on 2/13/2026* ### NetBox Edition NetBox Community ### NetBox Version NetBox Community v4.5.2-Docker-4.0.0 ### Python Version 3.12 ### Steps to Reproduce Hello, Dear Netbox Developers! 1. Create custom field name: device_type_device_role object: Device Type label: Device Role type: Object related object type: Device Role 2. Go to /dcim/device-types/ 3. On top of page use "Filters" (tab near Results) 4. At the bottom of the page at Custom Fields section under Device role choose "is empty" or "is not empty" ### Expected Behavior Don`t know if it possible for such custom field, but expected to see results which is not empty or empty. ### Observed Behavior Get an error ``` <class 'ValueError'> Field 'id' expected a number but got 'false'. /device-types/?cf_device_type_device_role__empty=false ```

MrUnknownDE closed this issue

2026-04-05 16:27:17 +02:00

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main

21455-sql-indexes-audit

21357-register-model-actions

feature

20924-plugin-ui-components

21766-improve-test-coverage-for-sortable-table-columns

21157-export-template-public-models

21025-pre-render-config-contexts

21364-swagger

feature-ip-prefix-link

20911-dropdown-3

fix_module_substitution

21160-filterset

20911-dropdown-2

20044-elevation-stuck-lightmode

7604-filter-modifiers-v3

20660-script-load

19724-graphql

14884-script

19720-macaddress-interface-generic-relation

fix-19669-api-image-download

7604-filter-modifiers

19275-fixes-interface-bulk-edit

fix-17794-get_field_value_return_list

11507-show-aggregate-and-rir-on-api

9583-add_column_specific_search_field_to_tables

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Reference: github/netbox#358