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 ('33127504fad7c3769af64b3e46bd99d0', -1, 1714681228, 1714681228, '030fdbd9', 20, 0)

Line : 158
File : sessions.php