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 ('1e5eca133d20c02b71a76a258a53d428', -1, 1714646559, 1714646559, '03912ffd', 20, 0)

Line : 158
File : sessions.php