Details
Description
Steps to reproduce:
1) Make an install of Couchbase and from the Web Admin complete setup to create default and sample buckets.
2) Uninstall CouchbaseServer.app but do not remove application support files.
3) Install Couchbase again and go to Web Admin console and try to go through setup again.
4) On the default bucket creation step, the next button does not work.
5) The error 'Bucket with given name already exists' is logged in browser console if debugging console is enabled.
6) We should bubble this message up to UI so that user can quickly realize what the issue is.