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 ('921e3163b0bf1354c2bbc78707244777', -1, 1717336000, 1717336000, '0311a772', -1, 0, 0)

Line : 187
File : sessions.php