Hi there,
Thank you for reaching out to us.
We are sorry to hear about the 404 errors you have been getting. Yikes!
I would love to help you with this topic.
By all solutions, I assume you are referring to this: https://theeventscalendar.com/knowledgebase/fixing-http-404-errors/
If none of these steps worked, here are a couple of other things to try:
- Please ensure to update the Events Calendar Pro and Event Tickets Plus to their latest versions.
- Head over to Events -> Settings -> General and hit the “Save Changes” button
- Re-save your permalinks.
If none of this works, Try temporarily reverting back to a default WordPress theme such as twenty-seventeen to see if that changes anything.
Let me know how that goes.
Best regards,
Brendan