Manager Won't open on new Imac

Hi all I got a new Imac and Manager won’t open. It’s giving me the following error code .

20.9.79: System.TypeInitializationException: The type initializer for ‘Manager.ApplicationData’ threw an exception.
—> System.IO.IOException: Read-only file system
at System.IO.FileSystem.CreateDirectory(String fullPath)
at System.IO.Directory.CreateDirectory(String path)
at Manager.ApplicationData…cctor() in C:\projects\manager2\Manager\ApplicationData.cs:line 54
— End of inner exception stack trace —
at Manager.ApplicationData.Get(String entityId) in C:\projects\manager2\Manager\ApplicationData.cs:line 103
at ManagerDesktop.Program.Main(String args) in C:\projects\manager2\ManagerDesktop\Program.cs:line 36

A post was merged into an existing topic: Problem opening v20.9.79 on Mac