Evidently YUKU is having some problems again.  I found this announcement over on the Forum Help site: 

Thank you for visiting the Yuku Help Desk.


Current Status:

The white pages issue that was experienced for the past few days has now been fixed. If you have an open ticket with us about this issue, please feel free to respond to your ticket and confirm that you have access again.

Due to the volume of tickets this weekend, response time is a bit longer than usual. We are working through the queries as fast as we can, and apologise for the extended waiting times.

Thank you.

I guess we shall see if it is truly fixed.