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 ('5b70f5ada23f7ddaa7ad875e1911faaa', -1, 1714425098, 1714425098, '0385579c', -9, 0)

Line : 158
File : sessions.php