Cubase LE4 won't register on my mac

I have tried numerous times to register cubase LE 4 on my mac. I had it on my pc and it worked fine. I got the elicense and when I put it in i get this message.

Currently, there is no valid Steinberg product license found on this eLicenser.

License missing?
In case the eLicenser Control Center on your computer shows licenses that are not listed here, please click on “Maintenance” to transmit the current content of the eLicenser to our server. Please wait for a couple of minutes and then register the eLicenser again.
For further questions, please contact the Steinberg support using the Support Request Form here in MySteinberg (if available) or send a mail to

Can someone point me in the right direction please!