Tutorial 4 First Error Solution

Tutorial 4:
Error: An internal exception has been detected. Vivado is unstable. (from Tools>Create and Package new IP)
Solution: Project manager > project settings > IP tab
Vendor value needs a valid value (cannot have "", blanks, or ( ) )
Change vendor value to Xilinx.com or MyFunWorkPlace.org


This solution was found on the following link:
 http://www.xilinx.com/support/answers/60477.html