[Resolved] user registration throws validation errors for valid email addresses

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[gabrieleB]

Tell us what you are trying to do?
The form for user registration was working perfectly fine, until a few days ago.
Now, it shows validation errors for valid usernames and email addresses. (see screenshot in attachment)

I read in another thread here, that someone had issues with a honeypot plugin, so I disabled and deleted the one I had installed.
Still no difference. I have already searched for hours, but I don't know what to do.
This user registration form is vital to my website.
Can you please have a look at this?

What is the link to your site?
hidden link

[Nigel]

Hi there

I just tested registering a user with a front-end form using the same email address as in your screenshot and it worked as expected.

I suspect some other code is interfering in the process.

Can you disable all plugins except for Toolset, disable and custom code snippets you have enabled, and change to a default theme such as twentytwenty, then test again.

If it works, then it should be possible to identify where the conflict arises by a process of elimination.

[gabrieleB]

The plugin "The Events Calendar" was the culprit, and I found an open thread relating to this problem here: https://toolset.com/errata/events-calendar-update-breaks-toolset-post-forms/

As suggested, I set the toolset forms to submit with ajax, and it did the trick. For now.
Do you recommend I should install the patch mentioned in the other thread immediately? Just to be sure?

[Nigel]

You can either leave the form settings to submit via ajax until the plugin update becomes available, or install the patch and forget about it (it will be overwritten by the plugin update).