phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8382457a6bc4b1d497e9f636a2991092', -1, 1714428817, 1714428817, '030c296a', 7, 0)

Line : 158
File : sessions.php