Error:
Odoo Server Error

Traceback (most recent call last):
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 654, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 312, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/tools/pycompat.py", line 87, in reraise
    raise value
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 696, in dispatch
    result = self._call_function(**self.params)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 344, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 337, in checked_call
    result = self.endpoint(*a, **kw)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 939, in __call__
    return self.method(*args, **kw)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/http.py", line 517, in response_wrap
    response = f(*args, **kw)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/addons/web/controllers/main.py", line 966, in call_button
    action = self._call_kw(model, method, args, {})
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/addons/web/controllers/main.py", line 954, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/api.py", line 749, in call_kw
    return _call_kw_multi(method, model, args, kwargs)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/api.py", line 736, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-61>", line 2, in button_immediate_install
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/addons/base/models/ir_module.py", line 74, in check_and_log
    return method(self, *args, **kwargs)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/addons/base/models/ir_module.py", line 445, in button_immediate_install
    return self._button_immediate_function(type(self).button_install)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/addons/base/models/ir_module.py", line 561, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/modules/registry.py", line 86, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/modules/loading.py", line 421, in load_modules
    loaded_modules, update_module, models_to_check)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/modules/loading.py", line 313, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/modules/loading.py", line 188, in load_module_graph
    model_names = registry.load(cr, package)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/modules/registry.py", line 240, in load
    model = cls._build_model(self, cr)
  File "/opt/bitnami/apps/odoo/lib/odoo-12.0.post20190418-py3.7.egg/odoo/models.py", line 439, in _build_model
    raise TypeError("Model %r does not exist in registry." % name)
TypeError: Model 'website.config.settings' does not exist in registry.