Bug report

When applying GroupPaging with local data using a Kendo UI Grid with AngularJS, the error message Uncaught TypeError: Cannot read property 'hasSubgroups' of undefined' appears upon expanding a parent row.

Reproduction of the problem

1. Go to this Progress Kendo UI Dojo.
2. Attempt to expand the row.

Current behavior

Currently, the UID for the group is not matching the group row's UID, and the error message appears.

Environment

• Kendo UI version: 2021.1.224