I have Mautic 6.07 installed. I am trying to create a new standalone form, but when I save the form, it gives me an error and then fails to save the form. The buttons for saving the form are disabled, and there is no error message in the interface to indicate why it won’t save. The only error I rece…

Please get the error message from the logs. That would tell us what’s wrong.

I have seen forum posts similar to this in the past where the site as Wordfence or similar WAF that is intercepting/blocking requests. The logs are needed to help debug this further @siteleas - please provide them. Thanks!

When I visit <mauticdomain.tld/s/sysinfo> this is what I see… Current Error Log Today’s Mautic error log is empty. Check server error log for error messages Mautic didn’t have a chance to catch.

Could you provide the specific path to the logs you would like the contents of?

This is what is in the error_log file in the base folder of the Mautic instance: [09-Dec-2025 01:13:03 UTC] PHP Fatal error: Uncaught RuntimeException: Composer detected issues in your platform: Your Composer dependencies require a PHP version “>= 8.1.0”. You are running 7.4.33. in /home/getergone…

So, I can navigate to the forms section, select stand alone form enter everything into the different parts of the interface with no issues with the UI, but then when I go to click save it doesn’t save and the buttons just gray out. When I inspect with the developer console, I see that there suddenly…

Please have a look at what I have added to this thread and let me know your thoughts

Can't create a new standalone form

Product Support Mautic 6 Install/Upgrade Support

escopecz January 26, 2026, 10:06am 9

The error is very concerning:

Your Composer dependencies require a PHP version “>= 8.1.0”. You are running 7.4.33

Mautic 6 requires PHP 8.1 at minimum. Your server runs on PHP 7.4. Please upgrade it. Ideally to PHP 8.3 so you won’t have to upgrade it for a few more years. See:

PHP 7.4, 8.0 and 8.1 do no longer get security fixes. See:

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Can't create a new standalone form

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