"Check Google reCaptcha" gives error

Can you please check why google recaptcha not running? Get ok on check, and error in "Check Google reCaptcha"
Here is the link:
https://freud.online/kontakty/form-for-testing
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All keys are entered correctly.
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Best,

Hi Dimitri,
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Looking at the front-end of the form the first stage of the Google check is working correctly but something happens when the form submits. The response is very slow and then you get the form re-loaded which suggests a problem with the Check ReCaptcha settings.
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There is nothing more to see from the front end.
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Have you tried adding a Debugger action to see the ReCaptcha response?
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Does the form work from the View or Test form links in the forms manager?
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Bob

Yes, I added Debugger to the same form
https://freud.online/kontakty/form-for-testing
I also tested the "Google reCaptcha demo" form, with same result:
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Array
(
    [google_nocaptcha21] => Array
        (
            [response] => 
            [_error] => The NoCaptcha verification has failed.
            [var] => 
        )

)

Hi Dimitri,
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Then please double-check the ReCaptcha codes. It might also be that some setting on your server is preventing the connection with the Google site to verify the Captcha.
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Bob

Thank you Bob!
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Also checked module reCaptcha from SP Page Buider. It is functioning.
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On previous version of my page I have version 6.0... of Chronoforms. The same form is functioning there! On the link above I have the Crhonoforms version 6.1.4. and here I have problem. Can it be the issue? It can not be the hosting configuration, because different providers and versions are operating well.
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https://freud.online/kontakty/form-for-testing
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Best, Dimitri

If your form has "Check Security fields" enabled under the "Settings" area then you should NOT try to use the "Check Captcha" action later in the form, the action will fail!
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Best regards

Thank you, tried (see below), have no solution.
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Asked hosting provider. They ask you, which PHP version does Chronoforms6 support. Can you answer?
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For info, tried the following:

1. changed layout - no solution
2. deactivated "check security" in Settings and activated "check recaptcha" in Submit - no solutio
3. activated "check security" in Settings and removed"check recaptcha" in Submit - no solution

Form for testing: https://freud.online/kontakty/form-for-testing
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Best, Dimitri

Could you please show me a screenshot of your form settings area ?
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PHP 5.6 or later is needed for Chronoforms v6
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Best regards

Cause of unclear reasons can not upload file in this thread, get message "Error saving the attachment file."
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But what I experimented: Google reCaptcha check is functioning for PHP 5.6 and PHP 7.0.
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Check is NOT functioning for PHP 7.1, 7.2 and 7.3
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Can you confirm?
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Best, Dimitri

What error do you get when you test on PHP 7.1 or later ?

Did you solve this problem? Same here...