What could be the problem of django run error - django

Question

My Django project used to work well the day before but it was not working when I run the next day. The following is the error I am getting. I didn't change anything and yet it did not work. When I run my project, the following error occurs. The project name is 'carpooling' and the the database user is 'Jigme'. I think the last line points the error towards the database which I didn't change anything.
Please help me. Your help will be appreciated.
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Exception in thread django-main-thread:
Traceback (most recent call last):
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\mysql\base.py", line 234, in get_new_connection
return Database.connect(**conn_params)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\MySQLdb\__init__.py", line 130, in Connect
return Connection(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\MySQLdb\connections.py", line 185, in __init__
super().__init__(*args, **kwargs2)
MySQLdb._exceptions.OperationalError: (1044, "Access denied for user 'jigme'#'%' to database 'carpooling'")
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\threading.py", line 950, in _bootstrap_inner
self.run()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\threading.py", line 888, in run
self._target(*self._args, **self._kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
fn(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\core\management\commands\runserver.py", line 121, in inner_run
self.check_migrations()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\core\management\base.py", line 459, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\migrations\executor.py", line 18, in __init__
self.loader = MigrationLoader(self.connection)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\migrations\loader.py", line 53, in __init__
self.build_graph()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\migrations\loader.py", line 216, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\migrations\recorder.py", line 77, in applied_migrations
if self.has_table():
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\migrations\recorder.py", line 55, in has_table
with self.connection.cursor() as cursor:
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 259, in cursor
return self._cursor()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 235, in _cursor
self.ensure_connection()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 219, in ensure_connection
self.connect()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\base\base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\utils\asyncio.py", line 26, in inner
return func(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\django\db\backends\mysql\base.py", line 234, in get_new_connection
return Database.connect(**conn_params)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\MySQLdb\__init__.py", line 130, in Connect
return Connection(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\site-packages\MySQLdb\connections.py", line 185, in __init__
super().__init__(*args, **kwargs2)
django.db.utils.OperationalError: (1044, "Access denied for user 'jigme'#'%' to database 'carpooling'")