reCAPTCHA keys are invalid upon saving in Gravity Forms settings

We have a website where we want to enable reCaptcha. But it keeps complaing about the keys being invalid. I am certain the keys are correct, we even created new keys. It is V2 checkbox and the allowed domain is also correct.
After entering the keys and pressing Save settings it gives me the reCaptcha checkbox which validates correctly (Green checkmark). But when I then again press Save settings it comes back with reCAPTCHA keys are invalid.
What can cause this? Can this be server or firewall related?


It could be a conflict with another plugin or the theme on your site or could be an issue with the database. I recommend opening a support ticket:

Thank you.

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