Please contact email@example.com as soon as possible.
Typical reasons for suspensions are:
Using high CPU resources, ususally from running too many scripts at the same time
Subscription canceled. All accounts must have active subscriptions. To be unsuspended a new subscription is required.
Violation of the Terms of Service. Example, but not limited to, hosting illegal scripts, hosting copyrighted materials, using account as a file storage (Remember this is a web hosting for a website, not a download center, unless your plan is the file storage option)