Reinstall wordpress, same domain, same license of theme not working

Hi, I bought one license of RESCA theme and I had to reinstall Wordpress and now, when I install de theme the purchase icon appears and I can’t download the demos and nothing seems to work, i’ve lost all the styles and nothing is ok. It seems that the license is tied to the other web and I need to untie it to use it again. I’m not trying to use de license twice but only in one web, but i can’t. Any idea?

contact theme Author and let them know How to Contact your purchased theme Author, theme author will be happy to assist you.