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 ('92bd84a877d10a83c11c57ba6199095d', -1, 1713979342, 1713979342, '12743fec', -10, 0, 0)

Line : 187
File : sessions.php