When it gives you the error, put those images into iw5/images. You will find them in the map IWD files, for example, preview_mp_favela.iwi will be found in the mp_favela.iwd
It's not ideal, but it's one of the only ways I can think of to fix it
Yes, I had already done this step for the favela, highrise, etc. errors that appeared to me, so I intuitively tried to do the same with this error.
The problem is that I can't find any files named like this in the folders, so I turned to you