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 ('7dd9740782e621970c579137940b9d56', -1, 1717188716, 1717188716, '0388138d', 3, 0, 0)

Line : 187
File : sessions.php