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 ('f7821522859682f1868255c89efe2326', -1, 1714209071, 1714209071, '0380c7a2', 14, 0)

Line : 158
File : sessions.php