Using an ampersand in the title and/or subtitle breaks the line and starts whatever is following in the line below
Apr 15,2019 AT 1:15PM - 4 years ago -Hello,
The problem is in your theme or in third-party plugin. Please check our test server http://dev2.myeventon.com/16123-2/ > May 26th, TEST & TEST.
Could you please try the instructions mentioned in this documentation to make sure your issue is indeed coming from eventon.