bleeding4

How can I fix this? I'm attempting to randomize Ultra Sun but while exporting it I received this error message.

Exception Details:
System.NullReferenceException: Object reference not set to an instance of an object.
   at pk3DS.Core.CTR.CTRUtil.setNCCH(String EXEFS_PATH, String ROMFS_PATH, String EXHEADER_PATH, String TB_Serial, String LOGO_NAME, ProgressBar PB_Show, RichTextBox TB_Progress)
   at pk3DS.Core.CTR.CTRUtil.buildROM(Boolean Card2, String LOGO_NAME, String EXEFS_PATH, String ROMFS_PATH, String EXHEADER_PATH, String SERIAL_TEXT, String SAVE_PATH, Boolean trimmed, ProgressBar PB_Show, RichTextBox TB_Progress)
   at pk3DS.Main.<>c__DisplayClass66_0.<B_Rebuild3DS_Click>b__0() in D:\a\1\s\pk3DS\Main.cs:line 1267
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

Loaded Assemblies:
--------------------
mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll

pk3DS, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
C:\Users\Cristian Hank\Downloads\drop (1)\drop\pk3DS\bin\Release\pk3DS.exe

System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll

System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll

System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll

System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll

System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll

System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.dll

pk3DS.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
C:\Users\Cristian Hank\Downloads\drop (1)\drop\pk3DS\bin\Release\pk3DS.Core.dll

Accessibility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll

OptaneShellExt, Version=1.0.0.0, Culture=neutral, PublicKeyToken=b2b395177cd09cef
C:\Program Files\Intel\OptaneShellExtensions\OptaneShellExt.dll

SharpShell, Version=2.2.0.0, Culture=neutral, PublicKeyToken=f14dc899472fe6fb
C:\Program Files\Intel\OptaneShellExtensions\SharpShell.dll

log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
C:\Program Files\Intel\OptaneShellExtensions\log4net.dll

PinningServiceApi, Version=1.0.0.0, Culture=neutral, PublicKeyToken=d2c7ef10062b7593
C:\Program Files\Intel\OptaneShellExtensions\PinningServiceApi.dll

System.ComponentModel.Composition, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.ComponentModel.Composition\v4.0_4.0.0.0__b77a5c561934e089\System.ComponentModel.Composition.dll

--------------------
User Message:
An unhandled exception has occurred.
The program must now close.