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 ('3ae7b717d6f203c2c985f209fea3e18a', -1, 1737484485, 1737484485, '1275918d', 4, 0, 0)

Line : 187
File : sessions.php