S4S error HELP!!! (SOLVED)

I installed s4s on my new computer, and it pops up like this

The Sims 4 Studio - Version 3.1.4.7

System.AggregateException: One or more errors occurred. ---> System.ArgumentNullException: Value cannot be null.

Parameter name: path1

at System.IO.Path.Combine(String path1, String path2, String path3)

at S4Studio.Data.FileDb.Sims4FileTable.Init(Boolean load_simulation, Boolean is_reinit)

at S4Studio.Shared.AppModel.DoInit()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()

--- End of inner exception stack trace ---

---> (Inner Exception #0) System.ArgumentNullException: Value cannot be null.

Parameter name: path1

at System.IO.Path.Combine(String path1, String path2, String path3)

at S4Studio.Data.FileDb.Sims4FileTable.Init(Boolean load_simulation, Boolean is_reinit)

at S4Studio.Shared.AppModel.DoInit()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()<---



I'm sure that the file paths r correct.
Can anyone help me please? @@