Site broke after initializing Upfront / Spirit Theme

After activating the Spirit Theme I tried to launch Upfront and the system froze ... when I tried to log back in the site was not accessible any longer .. the attempt to login times out and an error message is displayed. The site URL is This also happened yesterday and I deleted the entire WP installation, as I thought I had done something wrong ... seems there is an incompatibility with WP and the Spririt Theme or Upfront editor??? Please advise as soon as possible. Thanks.