An error that occurred during the "Add model": NOT NULL constraint failed.

[ddddddreamcastle]

Traceback (most recent call last):
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/sqlite3/base.py", line 423, in execute
    return Database.Cursor.execute(self, query, params)
sqlite3.IntegrityError: NOT NULL constraint failed: ml_mlbackend.auth_method

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/utils/decorators.py", line 43, in _wrapper
    return bound_method(*args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/rest_framework/generics.py", line 242, in post
    return self.create(request, *args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/rest_framework/mixins.py", line 19, in create
    self.perform_create(serializer)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/label_studio/ml/api.py", line 94, in perform_create
    ml_backend = serializer.save()
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/rest_framework/serializers.py", line 212, in save
    self.instance = self.create(validated_data)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/rest_framework/serializers.py", line 962, in create
    instance = ModelClass._default_manager.create(**validated_data)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/query.py", line 453, in create
    obj.save(force_insert=True, using=self.db)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/base.py", line 739, in save
    self.save_base(using=using, force_insert=force_insert,
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/base.py", line 776, in save_base
    updated = self._save_table(
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/base.py", line 881, in _save_table
    results = self._do_insert(cls._base_manager, using, fields, returning_fields, raw)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/base.py", line 919, in _do_insert
    return manager._insert(
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/query.py", line 1270, in _insert
    return query.get_compiler(using=using).execute_sql(returning_fields)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/models/sql/compiler.py", line 1416, in execute_sql
    cursor.execute(sql, params)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/sentry_sdk/utils.py", line 1711, in runner
    return sentry_patched_function(*args, **kwargs)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/sentry_sdk/integrations/django/__init__.py", line 629, in execute
    result = real_execute(self, sql, params)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/utils.py", line 66, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/utils.py", line 75, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/utils.py", line 90, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "/env/miniconda3/envs/rtmdet-sam/lib/python3.9/site-packages/django/db/backends/sqlite3/base.py", line 423, in execute
    return Database.Cursor.execute(self, query, params)
django.db.utils.IntegrityError: NOT NULL constraint failed: ml_mlbackend.auth_method

Operating system: Ubuntu 20.04
python env: Following the instructions at https://github.com/open-mmlab/playground/tree/main/label_anything