[Plugin: Backup] 400 Bad Request

Any advice about the following error when attempting to install backup?

Error: redirect_uri_mismatch
The redirect URI in the request: http://catholicnewsline.com/wp-admin/options-general.php?page=backup&action=auth did not match a registered redirect URI
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Request Details
scope=https://docs.googleusercontent.com/ https://docs.google.com/feeds/ https://www.googleapis.com/auth/drive.file https://spreadsheets.google.com/feeds/
response_type=code
redirect_uri=http://catholicnewsline.com/wp-admin/options-general.php?page=backup&action=auth
access_type=offline
approval_prompt=auto
state=token
client_id=191581449155.apps.googleusercontent.com

http://wordpress.org/extend/plugins/backup/