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 ('e85cf291e8a11b60d6ec7813d8f38eeb', -1, 1714311522, 1714311522, '127551f0', 14, 0)

Line : 158
File : sessions.php