It seems there are quite a few people who are having disc reading trouble for Xenoblade Chronicles. Well, Nintendo Support has a page for you that better describes why it might happen and what you can do about it.
Nintendo Support 

Ryan Tyner
Ryan is an owner and manager of the oprainfall website, mostly managing changes needed for the website and maintenance. He also writes articles from time-to-time. His gaming interests include mostly RPGs; both Western and Japanese. Ryan has a graduate degree in psychology.
https://www.facebook.com/ryan.tyner.in.az

Related Articles
Arcade Channels Japan News News

Mobile Suit Gundam: Extreme Vs. Maxi Boost On Gets New Trailer

Operation Rainfall Contributor
Bandai Namco has released a new trailer for their upcoming arcade fighter Mobile Suit Gundam: Extreme Vs. Maxi Boost On. The
3DS Channels Europe News News PS3 PS4

Deep Silver Will Begin Publishing Sega and Atlus Games in Europe

Operation Rainfall Contributor
Recently Atlus and NISA's partnership of European video game publication had come to an end. NISA found it difficult to
Channels Europe News News North America News PS4 XBox

Resident Evil Revelations Now Available For PlayStation 4 & Xbox One

David Fernandes
The acclaimed survival horror game Resident Evil Revelations debuts on PlayStation 4 and Xbox One across North America digitally and