CF7 with reCaptcha: email sent correctly but show reCaptcha ERROR MESSAGE

Hi,
i've set reCaptcha v3, and when i click on SEND button it give me a reCaptcha error, but it send correctly the email...
So: there's a reCaptcha error or everything was correctly verified?
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What's wrong?

*** UPDATE: after a day of trials, the error return only using AJAX Confirmation Message
So i think reCaptcha seems working properly, but not when using AJAX setting because show the error Confirmation message.
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Disabling AJAX all works correctly (SENT MESSAGE, AND CONFIRMATION MESSAGE WITHOUT RECAPTCHA ERROR)

I've just read that there's some problem with AJAX and Gantry.
There's still no solution?