Cannot extract textures from *.blk files of version 4.0.

When I try to extract textures from *.blk files of version 4.0, it led to an internal error. Application: AssetStudioGUI.exe CoreCLR Version: 6.0.1122.52304 .NET Version: 6.0.11 Description: The process was terminated due to an internal error in the .NET Runtime at IP 00007FFE33B5237B (00007FFE33980000) with exit code c0000005.