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 ('2dc874ec2798e875085a98e20e82e88a', -1, 1713953056, 1713953056, '0d3afc08', -4, 0)

Line : 158
File : sessions.php