I am migrating my site to live. I performed a test

I am migrating my site to live. I performed a test migration to iron out any issues before making the site live.

Marketpress config options were all wiped after the migration and I am unable to set the store url base.

I get the error
"Store base URL conflicts with another page"

The url for the new test site is
http://aaad.webberoo.com.au

Please help
Toby