Gilad writes: Having trouble finding and fixing your missing textures in Blender? No more! With the help of the ”Find Missing Textures” add-on you can get a full listing of the missing textures so you can easily fix them! Also you can see on which objects and shaders you have missing textures
from BlenderNation https://www.blendernation.com/2021/10/04/find-missing-textures/
via IFTTT