You can easily configure your digests settings so that you will not receive blank digests.
To do so follow these steps:
1. Login to Tech Community
2. Go to the digests page available [url=http://tech.forums.softwareag.com/techjforum/digests/list.page]here[/url]
3. Find the option [b]Send empty digests:[/b] and select the checkbox [b]No [/b]
4. Confirm the changes by clicking on the button [b]Make Digest Changes[/b]