The following error shows up for people..
The ':UserAgentTxt' element is invalid - The value 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36' is invalid according to its datatype 'String' - The Pattern constraint failed.
This issue has been identified and will be fixed in the next update for the Web/Online Version. The current fix is in "Q&A" testing. Soon as we get notification of the fix, we will post on here.
