phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1ab8d60f0d2982c2c885db070b6c5698', -1, 1717009906, 1717009906, '0d3b318a', 1, 0, 0)

Line : 187
File : sessions.php