Ugh help

So I just cancelled on my three week advanced aviation cadet course because my anxiety got really bad and I was freaking out over making friends etc. But now I feel like I won’t be successful in cadets and I let everyone down. Being a pilot is my dream and I will still get my license at 16 privately I just can’t right now because of my anxiety and technically you aren’t supposed to attend the camps if you have mental illnesses. Did I do the wrong thing? I feel terrible