phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a95d75c6ed84a2b6fcc28cb8b6714566', -1, 1737563723, 1737563723, '0391c771', 6, 0, 0)

Line : 187
File : sessions.php