Am I the problem for not going on stage

Am I the problem for not going on stage

I'm 14 and have been playing piano for 6 years now, today I was supposed to attend a piano recital but minutes before,.I began to panic and didn't really know why. I've played in front of people before and sure it sucked but this time it felt like much more, i called my mom and tried to tell her i couldn't do it. Her response was that I committed and I should follow through and i wanted to agree but before I could stop it I was crying. I've never been that scared to perform before. After a bit she drove to see me and asked why I couldn't go on, I said I didn't know I just couldn't and then she got upset and started to raise her voice, after a lot of her yelling and me crying she gave up and told me to go spend a few days with my grandparents