I enabled My Domain in my SDO image as "abcdemo.my.salesforce.com". Check availability said OK and it saved.  I received the confirmation email and when I clicked on the confirmation link to the signon page, here's what I got. Clearly someone has this domain so now what do I do?

Hello All,

I keep getting this error on this question:

Challenge not yet complete... here's what's wrong: 
An update to an account record failed to update the mailing address fields of all child contact records. Make sure that the process is correct and that it is activated.

Screenshot:
https://www.dropbox.com/s/30lrmgz8zogxulf/Screenshot%202015-03-23%2016.09.38.png?dl=0

Screenshot 2:

https://www.dropbox.com/s/5wrdht63l18591b/Screenshot%202015-03-23%2016.10.57.png?dl=0

I have gone over this many times and I would appreciate any help to get through this challenge!!


Thanks!