notacat on "[Plugin: WooCommerce - excelling eCommerce] "add variation" or "link all variations" not working"

Hi there!
I had the same problem with cool ecommerce theme from themeforest. But the problem isn't with theme. The problem was with my browser (Firefox), I dont know, what the... Everything works in Chrome. And Safari.
If you have problems with button, first try another browser.
P.S. But after reboot the button works in Firefox too... Interesting, yeah?