Fixing a dead Shopify link

My Shopify link to my store is totally dead. It's brand new and I have not had a chance to advertise it, and currently I can't because I am receiving error messages in the Facebook debugger saying my og:images are missing elements and now, after modifying a header image I thought might have been too big, that the domain is invalid. I can send a log of the error messages after a quote. I just need this resolved so I can start selling and Facebook ticket support does not exist, nor do I know how to or understand coding. Thanks!