We apologize for the error messages and that you weren't able to select an email template. I checked your account and do see you called Customer Support the following day, and it looks like you were also able to create and send your email campaign. Please do let us know if you need any further assistance as we're happy to help!
Nichelle M Community & Social Media Support
Did I answer your question? If so, please mark my post as an "Accepted Solution" by clicking the Accept as Solution button in the bottom right hand corner of this post.