Error: Google reCAPTCHA verification failed. Unknown error.
It is the second forum that I do with this plugin, but the recaptcha does not finish working ... It gives me this error and I do not understand why. I have tried creating a new API KEY but it keeps crashing with the new keys.
Please make sure you don't have other reCAPTCHA plugins activated. wpForo built-in reCAPTCHA configuration is located in Dashboard > Forums > Tools > Antispam Tab. The API keys should be configured for version 2, "I'm not a robot" checkbox.
Here is another topic to check if the issue is not solved: https://wpforo.com/community/how-to-and-troubleshooting-2/recaptcha-showing-an-error/#post-43392