could not connect to server: Connection refused

[c00r3er]

hey boss
when i want to start bayonet.sh i check log web but script not run and i see this problem
im so tierd to test this .please help me

sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 54321?

[c00r3er]

Traceback (most recent call last):
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2276, in _wrap_pool_connect
return fn()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 363, in connect
return _ConnectionFairy._checkout(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 760, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 492, in checkout
rec = pool._do_get()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/impl.py", line 139, in _do_get
self._dec_overflow()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/langhelpers.py", line 68, in exit
compat.reraise(exc_type, exc_value, exc_tb)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/compat.py", line 153, in reraise
raise value
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/impl.py", line 136, in _do_get
return self._create_connection()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 308, in _create_connection
return _ConnectionRecord(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 437, in init
self.__connect(first_connect_check=True)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 639, in __connect
connection = pool._invoke_creator(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/strategies.py", line 114, in connect
return dialect.connect(*cargs, **cparams)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/default.py", line 482, in connect
return self.dbapi.connect(*cargs, **cparams)
File "/usr/lib/python3/dist-packages/psycopg2/init.py", line 127, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
psycopg2.OperationalError: could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 7777?

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "app.py", line 31, in
bayonet_main()
File "app.py", line 24, in bayonet_main
CreateDatabase()
File "app.py", line 6, in CreateDatabase
DB.create_all()
File "/usr/local/lib/python3.8/dist-packages/flask_sqlalchemy/init.py", line 1033, in create_all
self._execute_for_all_tables(app, bind, 'create_all')
File "/usr/local/lib/python3.8/dist-packages/flask_sqlalchemy/init.py", line 1025, in _execute_for_all_tables
op(bind=self.get_engine(app, bind), **extra)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/sql/schema.py", line 4315, in create_all
bind._run_visitor(
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2048, in _run_visitor
with self._optional_conn_ctx_manager(connection) as conn:
File "/usr/lib/python3.8/contextlib.py", line 113, in enter
return next(self.gen)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2040, in _optional_conn_ctx_manager
with self._contextual_connect() as conn:
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2242, in _contextual_connect
self._wrap_pool_connect(self.pool.connect, None),
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2279, in _wrap_pool_connect
Connection._handle_dbapi_exception_noconnection(
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 1547, in _handle_dbapi_exception_noconnection
util.raise_from_cause(sqlalchemy_exception, exc_info)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/compat.py", line 398, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/compat.py", line 152, in reraise
raise value.with_traceback(tb)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/base.py", line 2276, in _wrap_pool_connect
return fn()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 363, in connect
return _ConnectionFairy._checkout(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 760, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 492, in checkout
rec = pool._do_get()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/impl.py", line 139, in _do_get
self._dec_overflow()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/langhelpers.py", line 68, in exit
compat.reraise(exc_type, exc_value, exc_tb)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/util/compat.py", line 153, in reraise
raise value
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/impl.py", line 136, in _do_get
return self._create_connection()
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 308, in _create_connection
return _ConnectionRecord(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 437, in init
self.__connect(first_connect_check=True)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/pool/base.py", line 639, in __connect
connection = pool._invoke_creator(self)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/strategies.py", line 114, in connect
return dialect.connect(*cargs, **cparams)
File "/usr/local/lib/python3.8/dist-packages/sqlalchemy/engine/default.py", line 482, in connect
return self.dbapi.connect(*cargs, **cparams)
File "/usr/lib/python3/dist-packages/psycopg2/init.py", line 127, in connect
conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 54321?

(Background on this error at: http://sqlalche.me/e/e3q8)

[c00r3er]

i cant install this pack please help me