Why does it say I met my quota? I only have 19 submissions.

This form has exceeded its allocated quota.

With which form you are having this issue with? I did check your account and did not find any issue with that. Your account usage is well within the allowed limits of free plan. 

I have gone ahead and cleared your form cache from here. Please test your form again and get back to us if the issue persists.

We will wait for your response.