TutsiPop

Sorry for the late response. Is there anything I could do to make it a valid save file? I thought PKHEX was compatible with BDSP.

Really appreciate the help.

SaveData.bin

Exception Details:
System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
Parameter name: version
   at PKHeX.Core.Gem8VersionExtensions.GetSuffixString(Gem8Version version)
   at PKHeX.WinForms.Main.GetProgramTitle(SaveFile sav)
   at PKHeX.WinForms.Main.OpenSAV(SaveFile sav, String path)
   at PKHeX.WinForms.Main.OpenFile(Byte[] input, String path, String ext)
   at PKHeX.WinForms.Main.OpenFromPath(String path)

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

PKHeX, Version=22.3.18.0, Culture=neutral, PublicKeyToken=null
C:\Users\User\Desktop\pkhex\PKHeX.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.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.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.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

PKHeX.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

PKHeX.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51

System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51

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

System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a

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

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

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

Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed

PKHeX.Drawing.PokeSprite, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

PKHeX.Drawing, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

System.ValueTuple, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.ValueTuple\v4.0_4.0.0.0__cc7b13ffcd2ddd51\System.ValueTuple.dll

PKHeX.Drawing.Misc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

--------------------
User Message:
Unable to load file.
Path: C:\Users\User\AppData\Roaming\yuzu\nand\user\save\0000000000000000\440A48A5913B5CD5F26F92B6CBD1EA0A\0100000011D90000\SaveData.bin
_____________________________________________________________________________________________________________________________________________________________

I'm not an expert with PKHEX, but I have used several times before without any issues. 
Brilliant Diamond on Yuzu.