game crash when buying items with honor?

Im using an iphone 4. The game crashes whenever I try to purchase something with honor. I saw others posting this bug a few times before me as well. I hope this can be fixed soon!

[support10]

Dear reddog,
We are sorry for the inconvenience.We will look into and fix it ASAP.Please believe that we always try our best to make this game better.Thanks for your support.
Teresa
The Lost Tower Team