if you search your requests, and click the "Export" button to create a list of the requests in Microsoft Excel, the resulting Excel file will have two columns called "Group"; one contains the Group Name and the other the Group's UUID.
Release : 17.3
Component : SDM - Classic UI
This issue is due to the customization made to list_cr. Follow these steps to have it fixed
0. make a backup copy of list_cr.htmpl in site\mods\www\htmpl\web\analyst
1. change and save list_cr.htmpl in site\mods\www\htmpl\web\analyst adding export=no after hidden=yes for group_id field
2. run these commands
pdm_webcache -H
pdm_webcache -b