phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b31ec60112f36d94ff7e8c54dbc0e344', -1, 1715298767, 1715298767, '12e0f6cb', 2, 0, 0)

Line : 189
File : sessions.php