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 ('7946e2f7a8e3f1d8dc80a322ea2a7a92', -1, 1737570360, 1737570360, '0391c48d', 0, 0, 0)

Line : 187
File : sessions.php