Using QuickApps 6.2 (Build 2013.10.29) you are unable to use pagination with Group by and Paging Mode as NextRev. Only the first page of the result set is being displayed while switching to next page does not change the result set and shows the same set of records.
TitleUnable to use pagination with Group by and Paging Mode
CauseThis issue has been verified as Defect TF00331620 and is a result of Telerik Controls.
Install QuickApps 6.3 as Telerik Controls have been upgraded in this version.