It's impossible to say without a link to your site.
Taking a look at lushlipsbycam.com, I'm not seeing any issues with pulling up the store. Are you still experiencing this issue? If yes, could you check the following:
Given that I am able to pull up the site on my end, it would indicate this is likely a device and/or network issue on your end. If you can access it via your mobile data, then you'll want to restart your internet connection and try again. Please let me know if you're still having issues.