We are glad your issue is resolved, if you have any further questions or concerns please create a new ticket.
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Please don’t remove these lines. You need to remove wp_trim_words function. Like this:
$summary = $content; /*first*/
$summary = $event['details']; /*second*/
Hello,
It looks like that the email you use to send emails is in blacklist. Could you please install https://wordpress.org/plugins/wp-mail-smtp/ and try to send a test email and see if it’ll go to spam as well?
Perfect thank you! Great service!
It looks like that the problem is in 9999 repeats. I don’t think that your server can handle this number.
Please follow the instructions in this documentation to activate debug in your site to see any PHP errors recorded that can provide insight on to whats going on. Please reply with a link to debug.log file. If you are not able to do this please send us FTP access to your site so we can do this for you.

this is the image of the updated plugins

Thank you for you quick reply!
Everything IS updated. Here are two screen shots. The first to show the plugins are updated. The second is my view of creating a new event.
Hello,
Do you want us to deactivate EventON and Event Lists: Ext – Single Site? Could you please send us order ID for EventON?
We are glad your issue is resolved, if you have any further questions or concerns please create a new ticket.
If you have a moment, we would greatly appreciate if you could kindly leave us a review at codecanyon! from your account > downloads. Cheers!
Hello,
Could you also send us login/pass for a modal window? Usually the problem is in quotes. Please try this shortcode:
[add_eventon tiles="yes" tile_bg="1" tile_style="1" ]