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 ('dbe6b3166a66d770c6d51ca7a4d2d2ff', -1, 1714745720, 1714745720, '03131bb2', 1, 0)

Line : 158
File : sessions.php