SYMPTOM:
A Strategy Narrowcast Server 9.x - 10.x service using a Dynamic Subscription Set fails to deliver content for documents and/or Information Objects running under Personalised Page Execution (PPE). The following errors occur in the DELog file:
Error in 'GetResultInDocumentInstance and module name 'cPageDocumentIO No personalized page returned for user preference 'XXXX' in the document instance's group by element tree. Error transmitting to recipient - 0:All documents were cancelled. This Broadcast is empty, and is cancelled.

ACTION:
Make sure that the attribute column datatype defined is consistence with the datatype of the column in the Warehouse database tables.