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 ('7de1be8e5cc8fe4a4f36d7a0ad9bdba4', -1, 1714697128, 1714697128, '0310515e', 0, 0)

Line : 158
File : sessions.php