I died outside of my island and can't get my items back as they are deep in the void.

[KhyadoX]

Ign: Khyad0X

Problem: At 22:56:06 GMT:+02:00 I was flying to catch a mob in my golden lasso(a ghast) and I fell out of the world outside the border and my items got deep in the void and I can't get them back.