Sims 4 studio help- Error message.

Can somone explain to me what this error message means? It happens when I try to import a mesh made in blender.

System.AggregateException: One or more errors occurred. ---> System.IO.FileNotFoundException: Could not find file 'C:\ProgramData\S4Studio\Scripts\dd76aad1-5ed3-4e0c-9f1c-b1a43ad62181\s4s.out.mlod'.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at System.IO.File.OpenRead(String path)
at S4Studio.ViewModels.ObjectLodItem.ImportMesh(BlenderUtilities blender_util, String blender_path)
at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass49_0.<ImportMesh>b__0()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of inner exception stack trace ---
---> (Inner Exception #0) System.IO.FileNotFoundException: Could not find file 'C:\ProgramData\S4Studio\Scripts\dd76aad1-5ed3-4e0c-9f1c-b1a43ad62181\s4s.out.mlod'.
File name: 'C:\ProgramData\S4Studio\Scripts\dd76aad1-5ed3-4e0c-9f1c-b1a43ad62181\s4s.out.mlod'
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at System.IO.File.OpenRead(String path)
at S4Studio.ViewModels.ObjectLodItem.ImportMesh(BlenderUtilities blender_util, String blender_path)
at S4Studio.ViewModels.ObjectLodItem.<>c__DisplayClass49_0.<ImportMesh>b__0()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()<---

Any ideas?