Over quota error message is still displayed after upgrading my account

I upgraded my subscription to silver but the form

https://form.jotformeu.com/91072240558353

displays "error message over quota".

Could you fix this problem?

It's quite urgent!!

best regards

Maria

We are sorry for the inconvenience this may have caused. We have now cleared the form caches and enabled the payment forms since you have already upgraded the account. Please check and let us know if you need any further assistance.

Thanks!