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 ('b1e9375fa59e6a8b0d6f26ebe9609e55', -1, 1714373967, 1714373967, '12e175b7', 16, 0)

Line : 158
File : sessions.php