The server print me this message and the website dose not work

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Mar 8 05:41:09 PM TypeError: object of type ‘bool’ has no len()
Mar 8 05:41:09 PM 127.0.0.1 - - [08/Mar/2023 15:41:09] “POST /Informed HTTP/1.1” 500 -
Mar 8 05:44:53 PM 127.0.0.1 - - [08/Mar/2023 15:44:53] “GET / HTTP/1.1” 200 -
Mar 8 05:44:54 PM 127.0.0.1 - - [08/Mar/2023 15:44:54] “GET /static/bgu-white.png HTTP/1.1” 200 -
Mar 8 05:45:03 PM 127.0.0.1 - - [08/Mar/2023 15:45:03] “POST /Informed HTTP/1.1” 200 -
Mar 8 05:45:13 PM [2023-03-08 15:45:13,688] ERROR in app: Exception on /Instruction_screen [POST]
Mar 8 05:45:13 PM Traceback (most recent call last):
Mar 8 05:45:13 PM File “/opt/render/project/src/.venv/lib/python3.7/site-packages/flask/app.py”, line 2525, in wsgi_app
Mar 8 05:45:13 PM response = self.full_dispatch_request()
Mar 8 05:45:13 PM File “/opt/render/project/src/.venv/lib/python3.7/site-packages/flask/app.py”, line 1822, in full_dispatch_request
Mar 8 05:45:13 PM rv = self.handle_user_exception(e)
Mar 8 05:45:13 PM File “/opt/render/project/src/.venv/lib/python3.7/site-packages/flask/app.py”, line 1820, in full_dispatch_request
Mar 8 05:45:13 PM rv = self.dispatch_request()
Mar 8 05:45:13 PM File “/opt/render/project/src/.venv/lib/python3.7/site-packages/flask/app.py”, line 1796, in dispatch_request
Mar 8 05:45:13 PM return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
Mar 8 05:45:13 PM File “app.py”, line 59, in Instruction
Mar 8 05:45:13 PM dbManager.commit(query)
Mar 8 05:45:13 PM File “/opt/render/project/src/DB_Postgre.py”, line 16, in commit
Mar 8 05:45:13 PM self.__connection.commit()
Mar 8 05:45:13 PM psycopg2.InterfaceError: connection already closed

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