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 ('2879b5b3ce60040c2f97642309e3542c', -1, 1714637802, 1714637802, '12e0497d', -2, 0)

Line : 158
File : sessions.php