Copy-Item : Cannot find path 'C:\Windows\system32\:\' because it does not exist.

[kambata-bg]

First issue I see in powershell when I try to create the ISO, I get the following error and if I continue either way, I get the second error at the end(Boot file not found, "etfsboot.com" also I was getting "bootx64.efi".
Attached screenshots.

"
Copy-Item : Cannot find path 'C:\Windows\system32:' because it does not exist.
At line:458 char:17

• ... Copy-Item -Path "$driveLetter*" -Destination $Script:Wor ...

•             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : ObjectNotFound: (C:\Windows\system32::String) [Copy-Item], ItemNotFoundException
  • FullyQualifiedErrorId : PathNotFound,Microsoft.PowerShell.Commands.CopyItemCommand
    "