The log says:
andSetPixels32 called with invalid number of pixels in the array
UnityEngine.Texture2D:SetPixels32(Color32[])
DaggerfallWorkshop.Utility.TextureReader:GetTexture2D(GetTextureSettings, SupportedAlphaTextureFormats, SupportedNonAlphaTextureFormats, Boolean) (at Assets/Scripts/Utility/TextureReader.cs:223)
DaggerfallWorkshop.MaterialReader:GetMaterial(Int32, Int32, Int32, Int32, Rect&, Int32, Boolean, Boolean) (at Assets/Scripts/MaterialReader.cs:319)
DaggerfallWorkshop.MaterialReader:GetMaterial(Int32, Int32, Int32, Int32) (at Assets/Scripts/MaterialReader.cs:261)
DaggerfallWorkshop.DaggerfallMesh:SetDungeonTextures(Int32[]) (at Assets/Scripts/Internal/DaggerfallMesh.cs:189)
DaggerfallWorkshop.Utility.RDBLayout:CreateBaseGameObject(DFBlock&, Dictionary`2, Int32[], Boolean, DaggerfallRDBBlock, Boolean) (at Assets/Scripts/Utility/RDBLayout.cs:192)
DaggerfallWorkshop.Utility.RDBLayout:CreateBaseGameObject(String, Dictionary`2, DFBlock&, Int32[], Boolean, DaggerfallRDBBlock, Boolean) (at Assets/Scripts/Utility/RDBLayout.cs:115)
DaggerfallWorkshop.Utility.GameObjectHelper:CreateRDBBlockGameObject(String, Int32[], Boolean, DungeonTypes, Single, Int32, Int32, DaggerfallRDBBlock) (at Assets/Scripts/Utility/GameObjectHelper.cs:479)
DaggerfallWorkshop.DaggerfallDungeon:LayoutDungeon(DFLocation&) (at Assets/Scripts/Internal/DaggerfallDungeon.cs:251)
DaggerfallWorkshop.DaggerfallDungeon:SetDungeon(DFLocation) (at Assets/Scripts/Internal/DaggerfallDungeon.cs:107)
DaggerfallWorkshop.Utility.GameObjectHelper:CreateDaggerfallDungeonGameObject(DFLocation, Transform) (at Assets/Scripts/Utility/GameObjectHelper.cs:1099)
DaggerfallWorkshop.Game.PlayerEnterExit:TransitionDungeonInterior(Transform, StaticDoor, DFLocation, Boolean) (at Assets/Scripts/Game/PlayerEnterExit.cs:525)
DaggerfallWorkshop.Game.PlayerActivate:Update() (at Assets/Scripts/Game/PlayerActivate.cs:254)
Invalid width (0) or height (0) used for creating mipmaps.
UnityEngine.Texture2D:Apply(Boolean, Boolean)
DaggerfallWorkshop.Utility.TextureReader:GetTexture2D(GetTextureSettings, SupportedAlphaTextureFormats, SupportedNonAlphaTextureFormats, Boolean) (at Assets/Scripts/Utility/TextureReader.cs:224)
DaggerfallWorkshop.MaterialReader:GetMaterial(Int32, Int32, Int32, Int32, Rect&, Int32, Boolean, Boolean) (at Assets/Scripts/MaterialReader.cs:319)
DaggerfallWorkshop.MaterialReader:GetMaterial(Int32, Int32, Int32, Int32) (at Assets/Scripts/MaterialReader.cs:261)
DaggerfallWorkshop.DaggerfallMesh:SetDungeonTextures(Int32[]) (at Assets/Scripts/Internal/DaggerfallMesh.cs:189)
DaggerfallWorkshop.Utility.RDBLayout:CreateBaseGameObject(DFBlock&, Dictionary`2, Int32[], Boolean, DaggerfallRDBBlock, Boolean) (at Assets/Scripts/Utility/RDBLayout.cs:192)
DaggerfallWorkshop.Utility.RDBLayout:CreateBaseGameObject(String, Dictionary`2, DFBlock&, Int32[], Boolean, DaggerfallRDBBlock, Boolean) (at Assets/Scripts/Utility/RDBLayout.cs:115)
DaggerfallWorkshop.Utility.GameObjectHelper:CreateRDBBlockGameObject(String, Int32[], Boolean, DungeonTypes, Single, Int32, Int32, DaggerfallRDBBlock) (at Assets/Scripts/Utility/GameObjectHelper.cs:479)
DaggerfallWorkshop.DaggerfallDungeon:LayoutDungeon(DFLocation&) (at Assets/Scripts/Internal/DaggerfallDungeon.cs:251)
DaggerfallWorkshop.DaggerfallDungeon:SetDungeon(DFLocation) (at Assets/Scripts/Internal/DaggerfallDungeon.cs:107)
DaggerfallWorkshop.Utility.GameObjectHelper:CreateDaggerfallDungeonGameObject(DFLocation, Transform) (at Assets/Scripts/Utility/GameObjectHelper.cs:1099)
DaggerfallWorkshop.Game.PlayerEnterExit:TransitionDungeonInterior(Transform, StaticDoor, DFLocation, Boolean) (at Assets/Scripts/Game/PlayerEnterExit.cs:525)
DaggerfallWorkshop.Game.PlayerActivate:Update() (at Assets/Scripts/Game/PlayerActivate.cs:254)