unable to open the sample helloworld page

[Gopalakrishnan]

I have updated my credit card details but i am unable to upgrade my airtable plan.

Following is the error screenshot: 

Getting this error message

 

[Karlstens]

... Did you contact Airtable support, as per the message?

[Achal]

Hi Gopal, were you able to get a solution to this problem? We are facing the same error so would be great if you can share any possible solution. Thanks!