About a week ago I purchased the domain mapping upgrade for my blog, topiphone4scases.wordpress.com with my existing domain name topiphone4scases.com Everything was working great! I changed the nameservers to WordPress's and it was all working fine and dandy. After a few days I decided that I wanted to start hosting myself. I opened an account with HostGator, changed the nameservers on GoDaddy to HostGator's, downloaded wordpress to the server, exported and imported my blog, but the problem arose a few hours later when I was checking the blog. It had been loading fine before but then this showed up: 'Warning! Domain mapping upgrade for this domain not found. Please log in and go to the Domains Upgrades page of your blog to use this domain. ' I figured that since I had recently purchased the domain mapping upgrade I would just 'return'/'cancel' it and perhaps that would disassociate my wordress.com blog from the upgrade and thus fix the error. I was able to return the upgrade, got the confirmation e-mail, but it was still showing that error when I checked my blog. I decided that perhaps it hasn't been processed through the system and that maybe by deleting the blog itself that would remove any association of topiphone4scases.wordpress.com with the domain topiphone4scases.com after that it seemed to work fine. I was able to load my blog like usual, but about 12 hours later my site wasn't showing up again and now I'm seeing the same error asking me to log-in to wordpress.com and go to the domain upgrades page.
TL;DR Had a wordpress.com blog, added existing domain, started self-hosting, changed nameservers to host, export/imported blog, canceled domain upgrade, yet it continues to think my blog is hosted on wordpress.com by giving this error: 'Warning! Domain mapping upgrade for this domain not found. Please log in and go to the Domains Upgrades page of your blog to use this domain.
Any idea on what's going on? Anyone heard of this scenario before? Any resolutions?