Aloha,
I came here because I saw the same issue.
I found that if I don’t check any of the boxes for where the reCaptcha shows on the website, the error doesn’t come up. It passes the validation check.
If I try to validate with any of those boxes checked, it will fail.
So I figured I would just validate it while none of them are checked and then check the ones that I want after. Unfortunately it didn’t work. The reCaptcha didn’t show up on the pages.
Hope that helps troubleshoot the problem.
