Issue Summary

When a non-SuperAdmin tries to sort the Epic Grid by the "Ext Id" column, he receives a "Whoops Error".
The same error doesn't happen for a SuperAdmin.

Steps to Reproduce

1. As a User that is not Super Admin, goes to the Epic Grid
2. Click on the "Ext Id" column to try to sort by it

Expected Results

No error would be displayed.

Actual Results

The User receives a "Whoops Error".

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available