`ValueError` exception when attempting to create an object-type custom field without selecting the related model

[jeremystretch]

Deployment Type

NetBox Cloud

NetBox Version

v4.0.8

Python Version

3.10

Steps to Reproduce

1. Attempt to create a custom field (for any model) of type "object" without specifying the related object type.

Expected Behavior

The form should return a validation error message on submission.

Observed Behavior

An unhandled ValueError exception is raised: 'CustomFieldForm' has no field named 'object_type'.