Just like in the topic from yesterday and the day before yesterday, this issue is caused by the fact that you deleted the domain name from your account before updating your nameservers, or before DNS propagation has fully occurred.
You could try to add the domain to your old account again so you can customize the page being shown. But it’s out of our control when everyone will see the site on your new hosting provider.
For more information, please see the article we wrote for people moving to our hosting: