Duplicate discord user

[porowns]

app_1     |     res = self._query(query)
app_1     |   File "/usr/local/lib/python3.6/site-packages/MySQLdb/cursors.py", line 312, in _query
app_1     |     db.query(q)
app_1     |   File "/usr/local/lib/python3.6/site-packages/MySQLdb/connections.py", line 224, in query
app_1     |     _mysql.connection.query(self, query)
app_1     | django.db.utils.IntegrityError: (1062, "Duplicate entry '324' for key 'user_id'")