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, session_admin) VALUES ('14ac6f5176c41ec912cc0d41bb6d7f13', -1, 1714024862, 1714024862, '12df6a64', -1, 0, 0)

Line : 187
File : sessions.php