Using PowerShell Script Activate Publishing Feature

#********** Active Site publishing Collection Feature  *********************************************
$siteCollectionFile = 'C:\doc\Get_SiteCollections_url.csv'


$host.Runspace.ThreadOptions = "ReuseThread"

function Enable-SPOFeature
{
    param ($sSiteColUrl,$sUserName,$sPassword,$sFeatureGuid)
    try
    {
        #Adding the Client OM Assemblies
        Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.dll"
        Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

        #SPO Client Object Model Context
        $spoCtx = New-Object Microsoft.SharePoint.Client.ClientContext($sSiteColUrl)
        $spoCredentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($sUsername, $sPassword)
        $spoCtx.Credentials = $spoCredentials

        Write-Host "----------------------------------------------------------------------------"  -foregroundcolor Green
        Write-Host "Enabling the Feature with GUID $sFeatureGuid !!" -ForegroundColor Green
        Write-Host "----------------------------------------------------------------------------"  -foregroundcolor Green

        $guiFeatureGuid = [System.Guid] $sFeatureGuid
        $spoSite=$spoCtx.Site
        $spoSite.Features.Add($sFeatureGuid, $true, [Microsoft.SharePoint.Client.FeatureDefinitionScope]::None)
        $spoCtx.ExecuteQuery()
        $spoCtx.Dispose()
    }
    catch [System.Exception]
    {
        write-host -f red $_.Exception.ToString()
    }
}

#Required Parameters
$sUserName = "[email protected]"
$sPassword = Read-Host -Prompt "Enter your password: " -AsSecureString
#SharePoint Server Publishing Infrastructure
$sFeatureGuid = "f6924d36-2fa8-4f0b-b16d-06b7250180fa"

Import-Csv $siteCollectionFile |
    where {
        Write-Host $_.URL " Publishing feature activating"
        $error.Clear()
        try
        {
            Enable-SPOFeature -sSiteColUrl $_.URL -sUserName $sUserName -sPassword $sPassword -sFeatureGuid $sFeatureGuid
            if($error[0])
            {
                Write-Host $_.URL " feature activation failed"
                $_.URL + " feature activation failed for feature: Publishing"  >> ".\FeatureActivationLog.txt"
            }
            else
            {
                Write-Host $_.URL " feature activation successfull"
                $_.URL + " feature activation successfull for feature: Publishing"  >> ".\FeatureActivationLog.txt"
            }
        }
        catch
        {
            $ErrorMessage = $_.Exception.Message
            $FailedItem = $_.Exception.ItemName
            Write-Host $_.URL " feature activation failed"
            $_.URL + " feature activation failed for feature: Publishing" >> ".\FeatureActivationLog.txt"
        }
        finally
        {
        }
    }