Since we are moving to interactive communication, using migration utility of AEM 6.5 we have migrated our data dictionary into fdm(no data source created) ,We are getting xml from middleware and using aem workbench we are processing it further.We managed to generate pdf by using Print Channel classe...

Hello,I tried fetching Interactive Communication using LetterInstanceService but getting IndexOutOfBound Exception. Is there any other service to be used to fetch Interactive Communication ? Please Suggest.