Lost 140 days of progess after world corruption??? (EDUCATION) (1.21.132)

I was hosting my minecraft education world (which was on day 201), and then it asked me to keep local, cloud, or both. I picked local, and then it prompted it to me again and then i clicked local AGAIN and then after the world finished loading it was on day 61????? mojang PLEASE fix this as this is hours of progress and i dont want to go through all of this again..