TranslatePress Google API Error

Hi Support, Im having an error in the automatic translation section, it says I have a problem with my API key. When I try to validate it throws this 403 error:

{
  "error": {
    "code": 403,
    "message": "User Rate Limit Exceeded",
    "errors": [
      {
        "message": "User Rate Limit Exceeded",
        "domain": "usageLimits",
        "reason": "userRateLimitExceeded"
      }
    ]
  }
}

Would you please help me with some troubleshooting tips to get this work?

I checked in the google console and it seems we have not exceeded the usage limits, could you please give me a hint of where to verify the usage limit that this error is reffering?

We have used this pugin for a while and we have 3 languages already working on the site and now that we need to add another one, this is happening.

The page I need help with: [log in to see the link]