My business site suddenly says "Under Construction" how do I get it back to normal?

I got a call from a new business prospect today and she said she went to my site but it was "under construction." I looked myself - don't typically check my site (www.OakPR.com) very often, and sure enough, the "Under Construction" page was up there. Please help me fix this, I'm trying to bring on new clients and this is such a bad look right now.

Disconnect and reconnect your site using the setting for "use a domain that I own". You are missing the A records for your site to come back online. 

Connect Squarespace domain to Squarespace website.