• loaded orchid mod (content for custom furniture)
• the mod contains a subfolder (osx backup files)
• the folder is copied by vortex into the mod folder as "hid Pack"
• Custom Furniture Mod tries to load it and get a NullRef Exception (here https://github.com/Platonymous/Stardew-Valley-Mods/blob/master/CustomFurniture/CustomFurnitureMod.cs#L150)

screenshot of loaded mod

screenshot of vortex result in mod folder