A change made to a VDS can cause a UI error pop up when the reflection tab is selected
Releases 21.0.0 to 21.1.0
If the user removes a column from a VDS that has a reflection configured they might encounter a UI error that looks something like this
The expected UI warning instead should look like this
This problem is caused by a known defect outlined in internal jira DX-48778. The issue causes a modal error dialog instead of showing the expected error as outlined above.
Upgrade Dremio to version 21.1.1 or later.