SharePoint Online: Copy a Document Library using PowerShell

#Parameters
$SiteURL = "https://crescent.sharepoint.com/sites/Marketing"
$SourceLibraryName = "Documents"
$DestinationLibraryName = "DocumentsV2"

Try {
    #Connect to the Site
    Connect-PnPOnline -URL $SourceSiteURL -Interactive

    #Get the Source library
    $SourceLibrary =  Get-PnPList -Identity $SourceLibraryName  -Includes RootFolder

    #Step 1: Save the  Source Library as a template
    $SourceLibrary.SaveAsTemplate($SourceLibrary.Title, $SourceLibrary.Title, [string]::Empty, $False);
    Invoke-PnPQuery 

    #Get the Library Template created
    $Ctx = Get-PnPContext
    $Web = Get-PnPWeb
    $RootWeb = $Ctx.Site.RootWeb
    $ListTemplates = $Ctx.Site.GetCustomListTemplates($RootWeb)
    $Ctx.Load($RootWeb)
    $Ctx.Load($ListTemplates)
    Invoke-PnPQuery
    $ListTemplate = $ListTemplates | Where {$_.Name -eq $SourceLibraryName}
 
    #Step 2:  Create the destination library from the source library template
    If(!(Get-PnPList -Identity $DestinationLibraryName))
    {
        #Create the destination library
        $ListCreation = New-Object Microsoft.SharePoint.Client.ListCreationInformation
        $ListCreation.Title = $DestinationLibraryName
        $ListCreation.ListTemplate = $ListTemplate
        $DestinationList = $Web.Lists.Add($ListCreation)
        Invoke-PnPQuery
        Write-host "New Library '$DestinationLibraryName' created successfully!" -f Green
    }
    Else
    {
        Write-host "Library '$DestinationLibraryName' already exists!" -f Yellow
    }
    #Remove the List Template
    Remove-PnPFile -SiteRelativeUrl ("/_catalogs/lt/"+$ListTemplate.InternalName) -Recycle -Force

    #Step 3: Copy content from Source to the destination library
    $DestinationLibrary = Get-PnPList $DestinationLibraryName -Includes RootFolder
    $SourceLibraryURL = $SourceLibrary.RootFolder.ServerRelativeUrl
    $DestinationLibraryURL = $DestinationLibrary.RootFolder.ServerRelativeUrl

    #Copy All Content from Source Library to the Destination Library
    Copy-PnPFile -SourceUrl $SourceLibraryURL -TargetUrl $DestinationLibraryURL -SkipSourceFolderName -Force -OverwriteIfAlreadyExists
    Write-host "`tContent Copied from $SourceLibraryURL to  $DestinationLibraryURL Successfully!" -f Green
}
Catch {
    write-host -f Red "Error:" $_.Exception.Message
}