adv_port_scan Powershell

[Aureum01]

Write-Error: Error running Nmap: The term 'Invoke-NmapScan' is not recognized as a name of a cmdlet, function, script file, or executable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
InvalidOperation: C:\Users\Roshane\Desktop\HTML VS\hack\open_port.ps1:43:44
Line |
43 | Write-Output "Operating system detected: $($ports[0].OS.Name)"
| ~~~~~~~~~~~~~~~~~
| Cannot index into a null array.