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 ('18d9a4c4672c8c9281dc6d210da7bce6', -1, 1713896403, 1713896403, '03859fe0', -9, 0)

Line : 158
File : sessions.php