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 ('b8390a8f40cd7ee8a0dadbc343449136', -1, 1717831141, 1717831141, '12de6f86', 1, 0, 0)

Line : 187
File : sessions.php