Poptropica Problems Poptropica Problems...I Can't Get Back Into Space On The Astro-Knights Island.?

Poptropica Problems...I can't get back into space on the Astro-Knights Island.? - poptropica problems

I helped my sister Poptropica but changed his mind in a way to me and I can now go back into space. I'm all the way to the final and now I'm back) on the first planet (at the beginning and can not be restored. PLEASE HELP!