evelynriossf

We were having the exact same problem, starting with our attempt to create a new subsite on Feb. 13. Over a week of frustration, not knowing what the root of the problem was. Thanks for fixing this. Can confirm that ever since The Events Calendar pushed out update 6.3.3.1 a week ago (2/22), the problem has been resolved.
https://theeventscalendar.com/release-notes/the-events-calendar/the-events-calendar-6-3-3-1/

We were having the exact same problem. Thanks for posting your experience. Ever since The Events Calendar pushed out update 6.3.3.1 a week ago, the problem has been resolved. They address it in their release notes:
https://theeventscalendar.com/release-notes/the-events-calendar/the-events-calendar-6-3-3-1/

Thank you. I have submitted a ticket.

Abz,

Yes, we have already upgraded to Version 6.0.1.

We are also on:
PHP 7.4.32
WordPress 6.0.2

Theme is Fundraiser, Version: pro3.0, By SKT Themes

Just wanted to note that we are getting the exact same error message on one of our client sites, but not in the preview, for us this is preventing the actual migration.

“Trying to get property ‘id’ of non-object”

Thanks in advance for keeping us updated on the fix.

I am getting this same error when trying to “save” changes in various plugins. Any word on when the next update is coming out?

Warning: Use of undefined constant COOKIEHASH - assumed 'COOKIEHASH' (this will throw an Error in a future version of PHP) in /home/customer/www/qwocmap.org/public_html/wp-content/plugins/sg-cachepress/core/File_Cacher/File_Cacher.php on line 780

Warning: Cannot modify header information - headers already sent by (output started at /home/customer/www/qwocmap.org/public_html/wp-content/plugins/sg-cachepress/core/File_Cacher/File_Cacher.php:780) in /home/customer/www/qwocmap.org/public_html/wp-includes/functions.php on line 6828

The web host actually did it, but I believe they did it through a search and replace using an SQL command. It can be done in PHPMyAdmin, but there are other methods as well. This link may be helpful: https://betterstudio.com/blog/search-and-replace-phpmyadmin/

Unfortunately, the WP Beginner tutorial was the first place I looked, and none of the solutions there worked. I ultimately escalated the issue to our web host’s ticketing support, who WERE able to resolve the issue. I will leave the solution here for others to find: We had recently enabled Cloudflare through our web host, which required switching the main domain to www: https://www.siteground.com/tutorials/Cloudflare/enable/. However, the naked domain was still specified in a few places. Once those were fixed, the problem was resolved.

“The issue was caused by a slight misconfiguration in your WordPress Multisite installation – the site was ultimately configured to work over WWW while the naked domain was specified in a couple of tables in your database as well as in your wp-config.php file.

In order to resolve the issue I changed the following line in the wp-config.php file for the application:

define ( ‘DOMAIN_CURRENT_SITE’, ‘nwaequality.org’ );

to:

define ( ‘DOMAIN_CURRENT_SITE’, ‘www.nwaequality.org’ );

and also replaced some references to the naked domain in your database with the www subdomain. Now everything is working as expected again.”

• This reply was modified 2 years, 11 months ago by evelynriossf.

Thank you.
This resolved the issue for me as well!

Update: I tried activating just the Event Tickets plugin solo and see the following error at the top of the admin home screen:

Tribe__Tickets__RSVP::get_attendees(WP_Query $attendees_query, $post_id) should be compatible with Tribe__Tickets__Tickets::get_attendees($attendees_query, $post_id) in /…/wp-content/plugins/event-tickets/src/Tribe/RSVP.php on line 3

Warning: Cannot modify header information – headers already sent by (output started at /…/wp-content/plugins/event-tickets/src/Tribe/RSVP.php:3) in /…/wp-content/plugins/sg-cachepress/class-sg-cachepress.php on line 348

Yes, we eventually had to do a work around using shortcode in a Text Widget. That worked just fine. We still don’t know why the NextGen Widget’s “random” function didn’t work.

Update: Shortcodes are working properly on the same site for displaying random images. Tested shortcodes side-by-side with NextGen Widget, where random still won’t work.