phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO parcopineta_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('fda2a97b66a9964f72590bc4173e3e1a', -1, 1714155277, 1714155277, '0390a174', -2, 0, '0', '0')

Line : 175
File : sessions.php