[Koha] Install koha 3 on ubuntu 9.04 problem

Hi to all I need your help to know fix this problem : when run apt-get install yaz the yaz and libyaz3 install and its ok but when try to install idzebra with comand: apt-get install idzebra when runs remove libyaz3 and some package and i did not know why that ok remove it and idzebra install but yaz not ok i can not install yaz and idzebra when install yaz remove idzebra and when install idzebra remove libyaz3 and all package of yaz3 please if any body know how to fix this problem. thnks _________________________________________________________________ Show them the way! Add maps and directions to your party invites. http://www.microsoft.com/windows/windowslive/products/events.aspx