Hello, im a new odoo developer and i tried to install Odoo11 on my ubuntu.
But the problem is it said it couldnt load module web.
Here is the log

2021-05-17 09:43:41,980 11996 INFO ? odoo: Odoo version 11.0
2021-05-17 09:43:41,981 11996 INFO ? odoo: addons paths: ['/odoo/.local/share/Odoo/addons/11.0', '/opt/odoo11/odoo/odoo/addons', '/opt/odoo11/odoo/addons']
2021-05-17 09:43:41,982 11996 INFO ? odoo: database: default@default:default
2021-05-17 09:43:41,986 11996 CRITICAL ? odoo.modules.module: Couldn't load module web
2021-05-17 09:43:41,986 11996 CRITICAL ? odoo.modules.module: odoo.addons.web.__spec__ is None
2021-05-17 09:43:41,987 11996 ERROR ? odoo.service.server: Failed to load server-wide module `web`.
The `web` module is provided by the addons found in the `openerp-web` project.
Maybe you forgot to add those addons in your addons_path configuration.
Traceback (most recent call last):
  File "/opt/odoo11/odoo/odoo/service/server.py", line 995, in load_server_wide_modules
    odoo.modules.module.load_openerp_module(m)
  File "/opt/odoo11/odoo/odoo/modules/module.py", line 368, in load_openerp_module
    __import__('odoo.addons.' + module_name)
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 656, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 626, in _load_backward_compatible
  File "/opt/odoo11/odoo/odoo/modules/module.py", line 82, in load_module
    exec(open(modfile, 'rb').read(), new_mod.__dict__)
  File "<string>", line 4, in <module>
  File "/opt/odoo11/odoo/addons/web/controllers/__init__.py", line 4, in <module>
    from . import main, pivot
  File "/opt/odoo11/odoo/addons/web/controllers/main.py", line 56, in <module>
    loader = jinja2.PackageLoader('odoo.addons.web', "views")
  File "/usr/local/lib/python3.6/dist-packages/jinja2/loaders.py", line 286, in __init__
    spec = importlib.util.find_spec(package_name)
  File "/usr/lib/python3.6/importlib/util.py", line 102, in find_spec
    raise ValueError('{}.__spec__ is None'.format(name))
ValueError: odoo.addons.web.__spec__ is None
Exception in thread odoo.service.httpd:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/opt/odoo11/odoo/odoo/service/server.py", line 349, in http_thread
    self.httpd = ThreadedWSGIServerReloadable(self.interface, self.port, app)
  File "/opt/odoo11/odoo/odoo/service/server.py", line 133, in __init__
    handler=RequestHandler)
  File "/odoo/.local/lib/python3.6/site-packages/werkzeug/serving.py", line 476, in __init__
    HTTPServer.__init__(self, (host, int(port)), handler)
  File "/usr/lib/python3.6/socketserver.py", line 456, in __init__
    self.server_bind()
  File "/opt/odoo11/odoo/odoo/service/server.py", line 143, in server_bind
    super(ThreadedWSGIServerReloadable, self).server_bind()
  File "/usr/lib/python3.6/http/server.py", line 136, in server_bind
    socketserver.TCPServer.server_bind(self)
  File "/usr/lib/python3.6/socketserver.py", line 470, in server_bind
    self.socket.bind(self.server_address)
OSError: [Errno 98] Address already in use

2021-05-17 09:43:42,089 11996 INFO ? odoo.addons.base.ir.ir_actions_report: You need Wkhtmltopdf to print a pdf version of the reports.
2021-05-17 09:43:42,156 11996 WARNING ? odoo.addons.base.res.res_currency: The num2words python library is not installed, l10n_mx_edi features won't be fully available.