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 ('62449f8d1df8f03748b5cd48e33e833b', -1, 1762722460, 1762722460, 'd849d858', 2, 0, 0)

Line : 187
File : sessions.php