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 ('74a0e4e480ba055d9a536a5fb6f0c99d', -1, 1737632666, 1737632666, '03913719', 6, 0, 0)

Line : 187
File : sessions.php