Drover error

I try to convert an image into black & white from the menu Image>Adjustments>Black & White and get this. Started happing only after the last update today.


Drover error in ok_cancel_dialog: Drover error in black_and_white_view: <unknown>:1:0: error: cell named 'show_auto_button'already exists.  File: layout description Line 00010: sub_layout(name: "content"); char 00000: ^^^