Migration Suite for SharePoint and Administrator for Office 365

Create pending type 0X80004005 Cannot complete this action.


I was trying to copy the data from one list (MOSS 2007 site collection)  to another existing list in (Sharepoint 2010 site collection)but getting an error : "create pending type Absences in list library Absences.Cannot complete this action please try again. 0X80004005".  Please help to resolve this issue.