This backup is too large for the backup disk /Time machine

Is there a question here?

Read Pondini's articles and FAQ; http://pondini.org/TM/Home.html

You can go into options on the time capsule setup and select a few things you dont want to backup to make your backup small enough. You might have to wipe the time capsule if you have another backup on there and trying to do a new machine backup or something like that