im not able to switch to free plan

im getting below error if i try to switch to free plan

[“One or more allocation changes are required.”]

and im not able to remove my credit card … please hepl

What is your application ID?

its a open forum … is it OK to paste my App ID?

Yes, it is.

Hi… I would like to know if is possible to downgrade from plan Cloud9 to free?

There is no free plan in version 3.0.