Steps to reproduce:
1. Add an Asset Publisher to a page
2. Edit the Asset Publisher configuration > Display Settings and select the Global > Rich Summary option
3. Enable Local Live
4. Go to the live page. The Asset Publisher portlet displays this error:
NOTE: To validate the solution, you'll have to start with a clear DB or alternatively to remove the ADT sample for Asset Publisher (Control Panel > Sites > Global > ADT > remove Rich Summary) and restart.