Object reference not set to an instance of an object

[SinaBina]

Hi In 2.9, deleting Superflexi module from any page throw the following exception in Debug mode:

2023-07-02 13:24:05,765 ERROR (null) - (null) - (null) - SuperFlexiUI.ModuleConfiguration - System.NullReferenceException: Object reference not set to an instance of an object. at mojoPortal.FileSystem.DiskFileSystemProvider.GetVirtualPath(Int32 siteId) in C:\Users\User\Desktop\mojoportal-master\Web\Components\FileSystem\DiskFileSystemProvider.cs:line 135 at mojoPortal.FileSystem.DiskFileSystemProvider.GetFileSystemPermission(Int32 siteId) in C:\Users\User\Desktop\mojoportal-master\Web\Components\FileSystem\DiskFileSystemProvider.cs:line 78 at mojoPortal.FileSystem.DiskFileSystemProvider.GetFileSystem(Int32 siteId) in C:\Users\User\Desktop\mojoportal-master\Web\Components\FileSystem\DiskFileSystemProvider.cs:line 43 at SuperFlexiUI.ModuleConfiguration..ctor(Module module, Boolean reloadDefinitionFromDisk)