I've got the Odoo 12 CE and when I try to uninstall any module I get the following error:

Error:
Odoo Server Error
Traceback (most recent call last):
  File "/opt/odoo/odoo/odoo/models.py", line 4689, in ensure_one
    _id, = self._ids
ValueError: too many values to unpack (expected 1)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/opt/odoo/odoo/odoo/http.py", line 654, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/opt/odoo/odoo/odoo/http.py", line 312, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/opt/odoo/odoo/odoo/tools/pycompat.py", line 87, in reraise
    raise value
  File "/opt/odoo/odoo/odoo/http.py", line 696, in dispatch
    result = self._call_function(**self.params)
  File "/opt/odoo/odoo/odoo/http.py", line 344, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/opt/odoo/odoo/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/opt/odoo/odoo/odoo/http.py", line 337, in checked_call
    result = self.endpoint(*a, **kw)
  File "/opt/odoo/odoo/odoo/http.py", line 939, in __call__
    return self.method(*args, **kw)
  File "/opt/odoo/odoo/odoo/http.py", line 517, in response_wrap
    response = f(*args, **kw)
  File "/opt/odoo/odoo/addons/web/controllers/main.py", line 966, in call_button
    action = self._call_kw(model, method, args, {})
  File "/opt/odoo/odoo/addons/web/controllers/main.py", line 954, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/opt/odoo/odoo/odoo/api.py", line 749, in call_kw
    return _call_kw_multi(method, model, args, kwargs)
  File "/opt/odoo/odoo/odoo/api.py", line 736, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/opt/odoo/odoo/odoo/addons/base/wizard/base_module_uninstall.py", line 60, in action_uninstall
    return modules.button_immediate_uninstall()
  File "</usr/local/lib/python3.6/dist-packages/decorator.py:decorator-gen-64>", line 2, in button_immediate_uninstall
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 73, in check_and_log
    return method(self, *args, **kwargs)
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 578, in button_immediate_uninstall
    return self._button_immediate_function(type(self).button_uninstall)
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 553, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "/opt/odoo/odoo/odoo/modules/registry.py", line 86, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "/opt/odoo/odoo/odoo/modules/loading.py", line 476, in load_modules
    Module.browse(modules_to_remove.values()).module_uninstall()
  File "</usr/local/lib/python3.6/dist-packages/decorator.py:decorator-gen-63>", line 2, in module_uninstall
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 73, in check_and_log
    return method(self, *args, **kwargs)
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 460, in module_uninstall
    self._remove_copied_views()
  File "/opt/odoo/odoo/odoo/addons/base/models/ir_module.py", line 478, in _remove_copied_views
    orphans.unlink()
  File "/opt/odoo/odoo/addons/website/models/ir_ui_view.py", line 162, in unlink
    self += self._get_specific_views()
  File "/opt/odoo/odoo/addons/website/models/ir_ui_view.py", line 102, in _get_specific_views
    self.ensure_one()
  File "/opt/odoo/odoo/odoo/models.py", line 4692, in ensure_one
    raise ValueError("Expected singleton: %s" % self)
ValueError: Expected singleton: ir.ui.view(1465, 1466, 1463, 1464, 1475, 1477, 1476, 1461, 1473, 1462, 1478, 1474)

No matter what module I try to uninstall I get this similar error.

Does anyone know how to fix this issue?