What does this Error mean "facets_at_dg"? How to solve it?

What does this Error mean “facets_at_dg”? How to solve it?

Hi Kaushal.

Is that the entire error message? Can you check in the console window and see if there’s a longer message? Or use the “bug report” feature in the main menu to submit a full bug report (including your project files).

– Charles