(biscuit) root@plaskebasseng:/usr/src/BiscuIT-ng# ./manage.py migrateTraceback (most recent call last): File "./manage.py", line 15, in <module> execute_from_command_line(sys.argv) File "/srv/biscuit/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line utility.execute() File "/srv/biscuit/lib/python3.7/site-packages/django/core/management/__init__.py", line 357, in execute django.setup() File "/srv/biscuit/lib/python3.7/site-packages/django/__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "/srv/biscuit/lib/python3.7/site-packages/django/apps/registry.py", line 114, in populate app_config.import_models() File "/srv/biscuit/lib/python3.7/site-packages/django/apps/config.py", line 211, in import_models self.models_module = import_module(models_module_name) File "/srv/biscuit/lib/python3.7/importlib/__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1006, in _gcd_import File "<frozen importlib._bootstrap>", line 983, in _find_and_load File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 677, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 728, in exec_module File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed File "/usr/src/BiscuIT-ng/apps/official/BiscuIT-App-Alsijil/biscuit/apps/alsijil/models.py", line 33, in <module> class LessonDocumentation(models.Model, CRUDMixin): File "/srv/biscuit/lib/python3.7/site-packages/django/db/models/base.py", line 94, in __new__ new_class = super_new(cls, name, bases, new_attrs, **kwargs)TypeError: Cannot create a consistent method resolutionorder (MRO) for bases Model, CRUDMixin