Can't upload LOD 2 (low) mesh

I keep getting this error message when I try to upload the last LOD mesh of my door?

Sims 4 Studio 1.3.4.2 (Apple Blossom)
S4Studio.Blender.Sims4StudioBlenderException: Exception of type 'S4Studio.Blender.Sims4StudioBlenderException' was thrown.
at S4Studio.Blender.BlenderUtilities.RunBlender (System.String script, System.String blend, System.Boolean background, System.Boolean check_version) [0x00262] in <6f064ec3ebe048448397ea60b2ecded2>:0
at S4Studio.Blender.BlenderUtilities.ImportMlod (System.String fileName, System.String mlod, System.String rig, System.String state) [0x0009e] in <6f064ec3ebe048448397ea60b2ecded2>:0
at S4Studio.ViewModels.ObjectLodItem.ImportMesh (S4Studio.Blender.BlenderUtilities blender_util, System.String blender_path) [0x000d7] in <6f064ec3ebe048448397ea60b2ecded2>:0
at S4Studio.ViewModels.ObjectLodItem+<>c__DisplayClass49_0.<ImportMesh>b__0 () [0x00022] in <6f064ec3ebe048448397ea60b2ecded2>:0
at S4S.UI.Core.S4SWindow+<>c__DisplayClass11_0.<BeginLoading>b__1 () [0x00014] in <6f064ec3ebe048448397ea60b2ecded2>:0

I've tried decimating but nothing will work