Error reading package

System.AggregateException: One or more errors occurred. (The archive entry was compressed using an unsupported compression method.) (The given header was not found.)
 ---> System.IO.InvalidDataException: The archive entry was compressed using an unsupported compression method.
   at System.IO.Compression.Inflater.Inflate(FlushCode flushCode)
   at System.IO.Compression.Inflater.ReadInflateOutput(Byte* bufPtr, Int32 length, FlushCode flushCode, Int32& bytesRead)
   at System.IO.Compression.Inflater.InflateVerified(Byte* bufPtr, Int32 length)
   at System.IO.Compression.DeflateStream.CopyToStream.WriteAsyncCore(ReadOnlyMemory`1 buffer, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnection.CopyToContentLengthAsync(Stream destination, Boolean async, UInt64 length, Int32 bufferSize, CancellationToken cancellationToken)
   at System.Net.Http.HttpConnection.ContentLengthReadStream.CompleteCopyToAsync(Task copyTask, CancellationToken cancellationToken)
   at System.IO.Compression.DeflateStream.CopyToStream.CopyFromSourceToDestinationAsync()
   at Relativity.APIReference.Entry.OpenAsync() in C:\Dev\relativity.apireference\Data\PackageData.cs:line 73
   at Relativity.APIReference.Entry.OpenAsync() in C:\Dev\relativity.apireference\Data\PackageData.cs:line 77
   at Relativity.APIReference.Entry.Open() in C:\Dev\relativity.apireference\Data\PackageData.cs:line 33
   at Relativity.APIReference.PackageData.ReadNuspec(Entry entry) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 372
   at Relativity.APIReference.PackageData.ReadAsync(HttpClient httpClient, String packageUri) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 365
   at Relativity.APIReference.PackageData.PackageDataCache.ReadPackageFromUrl(PackageData package, HttpClient httpClient, CancellationToken token) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 598
   at Relativity.APIReference.PackageData.PackageDataCache.GetValueAsync(String arg0, PackageVersion arg1, HttpClient httpClient, CancellationToken token) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 578
   --- End of inner exception stack trace ---
 ---> (Inner Exception #1) System.InvalidOperationException: The given header was not found.
   at System.Net.Http.Headers.HttpHeaders.GetValues(HeaderDescriptor descriptor)
   at Relativity.APIReference.PackageData.ReadEntriesAsync(HttpClient client, String file) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 224
   at Relativity.APIReference.PackageData.ReadAsync(HttpClient httpClient, String packageUri) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 303
   at Relativity.APIReference.PackageData.PackageDataCache.ReadPackageFromUrl(PackageData package, HttpClient httpClient, CancellationToken token) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 598
   at Relativity.APIReference.PackageData.PackageDataCache.GetValueAsync(String arg0, PackageVersion arg1, HttpClient httpClient, CancellationToken token) in C:\Dev\relativity.apireference\Data\PackageData.cs:line 578<---