Discussion forum structured data issues detected

[jamieFL]

I received the following email from the Google Search Console:

Discussion forum structured data issues detected in https://xeazy.com/ 
To the owner of https://xeazy.com/: 
Search Console has identified that your site is affected by 5 Discussion forum structured data issue(s). The following issues were found on your site. 
Top critical issues* 
Either "text", "image", or "video" should be specified 
Missing field "name" (in "author") 
Missing field "datePublished" 
*Critical issues prevent your page or feature from appearing in Search results.
Top non-critical issues‡ 
Missing field "url" (in "author") 
Missing field "headline" 
‡Non-critical issues are suggestions for improvement, but don't prevent the page or feature from appearing on Google. Some of these issues could be reclassified as critical in the future, and critical issues can affect your site’s appearance on Search.
We recommend that you fix these issues when possible to enable the best experience and coverage in Google Search.

Fix Discussion forum structured data issues 

I am using the [short-code] to implement BBPress with Ultimate Member. I’ve paid for the BBPress plugin for UM. I’ve asked my host about this and they told me that this is caused by UM. Where do I go to fix this issue?

The page I need help with: [log in to see the link]