Mesh import problem

so i use blender 2.9 but i have 2.7 installed to be able to import meshes, but when i did, it gave me this error message:

The Sims 4 Studio - Version 3.1.4.5
System.AggregateException: One or more errors occurred. ---> System.IO.FileNotFoundException: Could not find file 'C:\ProgramData\S4Studio\Scripts\1d7512ee-b2df-4f67-a493-8f2a280af840\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 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\1d7512ee-b2df-4f67-a493-8f2a280af840\s4s.out.mlod'.
File name: 'C:\ProgramData\S4Studio\Scripts\1d7512ee-b2df-4f67-a493-8f2a280af840\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 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()<---

I don't know why it's doing this, please help me!