checkbox stays empty when user clicks on it

Re Repitol2 1d ago

Hi,on my form there's a checkbox for GPRD compliance.The user has to to check the box but it stays empty on click. Any idea how to fix that ?Best regards

Capture d’écran 2026-04-08 à 14.53.50.jpg
Max_admin Max_admin 1d ago

Hi Repitol2

Is this a new form or an old form ?

if it's an old form and it worked before then a new JavaScript error is most probably causing this.

if it's a new form then it may be a JavaScript error too, but you can simply install ChronoForms v8 on the same website and use it instead.

Max, ChronoForms developer
ChronoMyAdmin: Database administration within Joomla, no phpMyAdmin needed.
ChronoMails simplifies Joomla email: newsletters, logging, and custom templates.
Re Repitol2 1d ago

Thanks for the reply. New form. I can't use Chronoforms v8 on the website as PHP 8 is not compatible with my Joomla version. See my settings please. Maybe something is wrong with it ? I tried checked : checked. It doesn't change anything. The checkbox stays empty when clicked (the email displays the checkbox is ok)

Capture-d’écran-2026-04-08-à-16.10.40.jpg
Max_admin Max_admin 1d ago

Any JavaScript errors on the page ?

press F12 then choose Console:

checkbox stays empty when user clicks on it image 1

Max, ChronoForms developer
ChronoMyAdmin: Database administration within Joomla, no phpMyAdmin needed.
ChronoMails simplifies Joomla email: newsletters, logging, and custom templates.
Re Repitol2 19h ago

Hello Max, actually there are Gantry errors. Difficult to say if that is the problem. Error in file:/libraries/gantry/js/browser-engines.js; Error:Function.attempt is not a function. I replaced the checkbutton with a simple message to enable the form. Thanks for your help. Recaptcha is only available with paid version, right ? Best regards

Max_admin Max_admin 12h ago

You can test the form in the admin area, does it work there ? do you have the same errors in the console ?

Yes, ReCaptcha is a premium feature in ChronoForms v7 but is a free feature in ChronoForms v8 and there are many other security options too like Altcha, Cloudflare and hcaptcha:

checkbox stays empty when user clicks on it image 2

Max, ChronoForms developer
ChronoMyAdmin: Database administration within Joomla, no phpMyAdmin needed.
ChronoMails simplifies Joomla email: newsletters, logging, and custom templates.
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