DE2_WEB demo with Version 11.1

[Altera_Forum]

Hello Everyone! 

 I am trying to run the DE2_WEB demo with the previous version 5 and 6 demo files. If there any method to switch over to this version to new version. Nios II give me error message that this file is not compatible with previous version.  Please have a look at the snap shot and reply me if you have any idea about.

[Altera_Forum]

for more description the code was downloaded from terasic official website. 

I am currently trying to run this program from Quartus 11.1 and NIOS II 11.1 IDE.

[Altera_Forum]

Demo code has been downloaded from here 

http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=53&no=30&partno=4

[Altera_Forum]

Im having the same problem too, really need some help....