upgrade to cubase 6

I messed up I thought I could buy the cubase 4 / 5 upgrade to cubase 6 because I have LE 4 and Essential 5 and C I 2 Plus now I have cubase 6 and cant use it what can I do to stay a satisfied Steinberg customer I truly didnt know I couldent upgrade from the products I have any help would be appreciated StrangeAxemaster the strange1


I think LE4, or Essential 5 can be upgraded (individually) to Cubase Artist 6.