The "We've hit a snag trying to publish" error occurs when your internet connection has been interrupted. It means that the Milkshake app wasn't able to publish your website.
Fixing the publishing snag
1. Return to the Home page by tapping Back (or tap this link: msha.ke://home)
2. Tap your profile icon in the top right hand corner to open the menu
3. Tap the Logout button
4. After returning to the Welcome page, tap Have an account? Sign in.
Enter your email address and password to login, or
Tap Set your password here if you haven't got one yet.