Getting this Error Message When attempting to go in CAS

The Sims 4 Studio - Version 2.6.1.4

System.AggregateException: One or more errors occurred. ---> System.IO.EndOfStreamException: Unable to read beyond the end of the stream.

at System.IO.BinaryReader.FillBuffer(Int32 numBytes)

at System.IO.BinaryReader.ReadUInt16()

at S4Studio.Data.IO.CAS.CASPartResource.Read(Stream stream, IReferenceList resources) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\IO\CAS\CasPartResource.cs:line 605

at S4Studio.Data.IO.Package.DBPFPackage.FetchResource[T](DBPFResourcePointer index) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\IO\Package\DBPFPackage.cs:line 383

at S4Studio.Data.FileDb.FiletableResourceProvider.FetchResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\FiletableResourceProvider.cs:line 58

at S4Studio.Data.ResourceProvider.GetResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\ResourceProvider.cs:line 67

at S4Studio.Data.ResourceHandle.Data[TResource]() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\ResourceHandle.cs:line 61

at S4Studio.Data.FileDb.Sims4FileTable.InitializeMetadata[TResource,TMetadata](Func`2 extra_func) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 373

at S4Studio.Data.FileDb.Sims4FileTable.InitCAS() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 501

at S4Studio.Data.FileDb.Sims4FileTable.get_CASItems() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 510

at S4Studio.MainWindow.<CloneCASChoicePage_OnLoaded>b__79_0() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio\UI\MainWindow.xaml.cs:line 1141

at S4Studio.LoadingScreen.<>c__DisplayClass6_0.<Show>b__0() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio\UI\LoadingScreen.xaml.cs:line 67

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

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

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

---> (Inner Exception #0) System.IO.EndOfStreamException: Unable to read beyond the end of the stream.

at System.IO.BinaryReader.FillBuffer(Int32 numBytes)

at System.IO.BinaryReader.ReadUInt16()

at S4Studio.Data.IO.CAS.CASPartResource.Read(Stream stream, IReferenceList resources) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\IO\CAS\CasPartResource.cs:line 605

at S4Studio.Data.IO.Package.DBPFPackage.FetchResource[T](DBPFResourcePointer index) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\IO\Package\DBPFPackage.cs:line 383

at S4Studio.Data.FileDb.FiletableResourceProvider.FetchResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\FiletableResourceProvider.cs:line 58

at S4Studio.Data.ResourceProvider.GetResourceData[TResource](IResourceHandle resourceHandle, Boolean useDefault) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\ResourceProvider.cs:line 67

at S4Studio.Data.ResourceHandle.Data[TResource]() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\ResourceHandle.cs:line 61

at S4Studio.Data.FileDb.Sims4FileTable.InitializeMetadata[TResource,TMetadata](Func`2 extra_func) in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 373

at S4Studio.Data.FileDb.Sims4FileTable.InitCAS() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 501

at S4Studio.Data.FileDb.Sims4FileTable.get_CASItems() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio.Data\FileDb\Sims4FileTable.cs:line 510

at S4Studio.MainWindow.<CloneCASChoicePage_OnLoaded>b__79_0() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio\UI\MainWindow.xaml.cs:line 1141

at S4Studio.LoadingScreen.<>c__DisplayClass6_0.<Show>b__0() in C:\Workspace\Sims4Studio\TheS4Studio\S4Studio\UI\LoadingScreen.xaml.cs:line 67

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

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