Someone not recieving your communication? Maybe they have unsubscribed from your email preference category, or from ALL CU communications. Learn how to check to Salesforce!
Collecting money through your Cvent form? Learn how to setup yourr payment information to ensure the money goes to the correct account.
You scheduled your post-registration message through Cvent, but how do you know your audience recieved it? Run the Email Rates by Email report to ensure your emails were received and read.