[BUG] Get-PnPSiteTemplate Error While Generating Template

Reporting an Issue or Missing Feature

The Get-PnPSiteTemplate is failing to create a template for a given site. I’ve tested the site beforehand with Test-PnPSite and no errors were found.

Expected behavior

The Get-PnPSiteTemplate command should create an XML template representing the given site.

Actual behavior

The command is returning the following error:

Get-PnPSiteTemplate : Oops...seems we end up here anyway...check PnP.Framework code to understand what was here
At C:\Users\joaosalgado\workspace\SharePointBackupTools\src\Export-SharePointSiteTemplate.ps1:45 char:9
+         Get-PnPSiteTemplate `
+         ~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : WriteError: (:) [Get-PnPSiteTemplate], Exception
    + FullyQualifiedErrorId : EXCEPTION,PnP.PowerShell.Commands.Provisioning.Site.GetSiteTemplate

After running Get-PnPException I got the following stack:

Message          : Oops...seems we end up here anyway...check PnP.Framework code to understand what was here
Stacktrace       :    at PnP.Core.Model.SharePoint.PageWebPart.FromHtml(IElement element)
                      at PnP.Core.Model.SharePoint.Page.LoadFromHtml(String html, String pageHeaderHtml)
                      at PnP.Core.Model.SharePoint.Page.<LoadPageAsync>d__121.MoveNext()
                   --- End of stack trace from previous location where exception was thrown ---
                      at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
                      at PnP.Core.Model.SharePoint.Page.<LoadPagesAsync>d__93.MoveNext()
                   --- End of stack trace from previous location where exception was thrown ---
                      at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
                      at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
                      at PnP.Core.Model.SharePoint.Web.<GetPagesAsync>d__282.MoveNext()
                   --- End of stack trace from previous location where exception was thrown ---
                      at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
                      at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
                      at PnP.Core.Model.SharePoint.Web.GetPages(String pageName)
                      at Microsoft.SharePoint.Client.PageExtensions.LoadClientSidePage(Web web, String pageName)
                      at PnP.Framework.Provisioning.ObjectHandlers.Utilities.ClientSidePageContentsHelper.ExtractClientSidePage(Web 
                   web, ProvisioningTemplate template, ProvisioningTemplateCreationInformation creationInfo, PnPMonitoredScope 
                   scope, PageToExport page)
                      at PnP.Framework.Provisioning.ObjectHandlers.ObjectClientSidePageContents.ExtractObjects(Web web, 
                   ProvisioningTemplate template, ProvisioningTemplateCreationInformation creationInfo)
                      at PnP.Framework.Provisioning.ObjectHandlers.SiteToTemplateConversion.GetRemoteTemplate(Web web, 
                   ProvisioningTemplateCreationInformation creationInfo)
                      at PnP.PowerShell.Commands.Provisioning.Site.GetSiteTemplate.ExtractTemplate(XMLPnPSchemaVersion schema, 
                   String path, String packageName, ExtractConfiguration configuration)
                      at PnP.PowerShell.Commands.Provisioning.Site.GetSiteTemplate.ExecuteCmdlet()
                      at PnP.PowerShell.Commands.PnPSharePointCmdlet.ProcessRecord()

Steps to reproduce behavior

Just run the following command in a Powershell session.

        Get-PnPSiteTemplate `
            -Out $TemplatePath `
            -IncludeAllTermGroups `
            -IncludeSiteCollectionTermGroup `
            -IncludeSiteGroups `
            -PersistBrandingFiles `
            -PersistPublishingFiles `
            -IncludeNativePublishingFiles `
            -IncludeAllPages `
            -Handlers All `
            -Schema LATEST `
            -Force;

What is the version of the Cmdlet module you are running?

1.5.0

Which operating system/environment are you running PnP PowerShell on?

• Windows
• Linux
• MacOS
• Azure Cloud Shell
• Azure Functions
• Other : please specify

[teofilosalgado]

Yeah, exactly. Here is a snippet of my template extraction code:

Connect-PnPOnline -Url $Url -UseWebLogin;
$PageList = Get-PnPListItem -List "SitePages";
$ResultPath = Resolve-Path ".\Result";

foreach ($PageItem in $PageList) {
    $Name = $PageItem.FieldValues["FileLeafRef"];
    $Guid = $PageItem.FieldValues["GUID"];
    $TemplateFolderPath = Join-Path -Path $ResultPath -ChildPath $Guid;
    $TemplateFilePath = Join-Path -Path $TemplateFolderPath -ChildPath "Template.xml";

    Export-PnPClientSidePage `
         -Identity $Name `
         -Out $TemplateFilePath `
         -PersistBrandingFiles `
         -ErrorAction Stop `
         -Force;
}

And the script that applies the templates:

Connect-PnPOnline -Url $DestinationUrl -UseWebLogin;
$Templates = Import-Csv -Path ".\Result\Log.csv"; # Log.csv is a list of every template and it's location in the disk

foreach($Template in $Templates){
    $TemplatePath = $Template.Path;
    Apply-PnPProvisioningTemplate -Path $TemplatePath -ClearNavigation;
}

It works flawlessly for team and communication sites. No throttle or disconnections during the entire process which took around 1 hour in a 150mbits/s network.

[teofilosalgado]

Hi @jansenbe! So, I checked all of my pages and none of them contain 3rd party web parts or additional controls in their headers. Actually, most of my pages are just plain text with a few tables. Currently, as a workaround, I decided to create a template for every single page of my website using Export-PnPClientSidePage and later on iterating through each .XML file publishing the templates with Export-PnPClientSidePage. I will give the nightly builds a try tonight.