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 ('a3f9fe8a0e2d748c7bf71b162688f026', -1, 1717221055, 1717221055, '12da050c', -11, 0, 0)

Line : 187
File : sessions.php