WTF is Pierce The Veil up to?

Earlier this evening, Pierce The Veil tweeted an iCloud link, but when clicking the link it seemed to lead to...

Earlier this evening, Pierce The Veil tweeted an iCloud link, but when clicking the link it seemed to lead to... nothing.

https://twitter.com/piercetheveil/status/1046912695654465538

https://twitter.com/arixnna_12/status/1046926329537413120

https://twitter.com/lilagrace170/status/1046936669205749760

https://twitter.com/grimgrinninglex/status/1046928012028063744

What did the link lead to? What could Pierce The Veil be up to? Are they teasing new music? Let us know what you think it could be!