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 ('bc7ec42a45f2fc152fac9c959fa8bdad', -1, 1714356763, 1714356763, '03801e4d', -4, 0)

Line : 158
File : sessions.php