The purchase cannot be complete

Go to this link:

http://www.apple.com/support/itunes/ww/

Select your country, then follow the instructions for filling out an iTunes Support request. That's all we can tell you - we don't know why you need to contact iTunes Support - you just will have to if you want to get any further with this.

Marking your own post as Solved may prevent others from trying to help because they think you have fixed your problem.

Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide 

Apple Support schedule phone call      

If necessary, try Twitter

https://twitter.com/AppleSupport.          People have posted it may take an hour or more to get a response.