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 ('cb6b2ff5bf1ec56d33032ff481eb9378', -1, 1737552699, 1737552699, '0393c31c', -9, 0, 0)

Line : 187
File : sessions.php