Issues with the "Fields" Handler and Get-PnPSiteTemplate #4628
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Wondering if anyone else has encountered a similar issue or might know what the issue is ... I am using Get-PnPSIteTemplate to extract templates files for various site components from an existing M365 SharePoint site. The site was created using a standard M365 Team Site Template (this is NOT a TEAMS-connected site). I am using PowerShell v7.4.5 with the PnP.PowerShell module v2.99.35-nightly (so relatively recent) Using Get-PnPSiteTemplate I can extract XML template files for the majority of the handlers we need. For example, all of the following handlers (and several others) work fine:
The one handler that does not seem to work is the "Fields" handler (which we have used successfully in the past with earlier versions of PowerShell and PnP.PowersShell, both on-prem and with SPO). Currently when I run the extract for the Fields handler as shown below the cmdlet begins to run and then seems to begin 'extracting', but then stops almost immediately after. I get the following output on the command line: PS C:\Temp> Get-PnPSiteTemplate -Out "C:\Temp\Template\Template-2-SPFIELD.xml" -Handlers $handlers -ErrorAction Continue -Verbose In the Debug log file that is generated there is nothing that offers any clues as to what the issue might be ... pwsh Information: 0 : 2024-12-09 18:14:45.9192 [GetContextAsync] [0] [Debug] Authentication type: AzureADCertificate for scopes https://tenant.sharepoint.com/.default 0ms Anyone else used the Fields handler successfully? Ideas as to why this is not working? Thanks |
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Replies: 3 comments 8 replies
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I tried your command and get no errors. |
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Hi, Thanks for responding ... yes, I believe all the relevant permissions have been granted. There are some taxonomy fields but the app has those necessary permissions as well
When I run the cmdlet (after connecting) I just get this output: Get-PnPSiteTemplate: Object reference not set to an instance of an object. Any ideas how to get more details? The only thing that shows up in the log file is: powershell_ise.exe Information: 0 : 2024-12-11 10:58:59.5264 [Site Security] [19] [Debug] Processing Role Assignment Microsoft.SharePoint.Client.RoleAssignment 772ms d0bff343-f822-4ca0-aa1f-88864a38a900 |
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Yes -- that is what I did |
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I see in the output that the check is done on application permissions and not the delegated ones. I don't see the taxonomy permissions listed in your output. How do you use Connect-PnPOnline? |
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This is what I use to connect .... Connect-PnPOnline -Url "https://mysticdev.sharepoint.com/sites/KEEPitTemplateSiteRel2.0" -ClientId I set the APP Reference using $clientId = "2ba6c580-dd5a-4a15-9b6f-5c2936eac9a0", which is what is represented in the previous screenshot
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When using a certificate to login you need the Application permissions and not the delegated to my knowledge
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Just a quick update ... Turns out I did have an issue with the app reg in the sense that I had mixed up the variable I should have been using (a little confusion between what I had set on the command line and what i was looking at in my script). And your suggestions above also helped ... Once I got all that resolved I had more luck. That said, even after resolving the above I still had the same "Object reference not set" error ... but knowing that all my connection/permissions settings were now synched correctly, I focused on the site I was using as a template -- as mentioned, all the other handlers I was using did work, just not the Fields handler. So I started looking at my content types and associated columns and I discovered that the formula of one of my (calculated) columns had not published from the content type hub properly ... the formula had lost the actual field references. Once I fixed that, the handler worked! Thanks for all your help and clarifications! |
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This is how I set up the connection Connect-PnPOnline -Url "https://xxxxxxx.sharepoint.com/sites/KEEPitTemplateSiteRel2.0" -ClientId $clientId -Tenant $tenantId -CertificatePath $certPath -CertificatePassword $certPassword Let me confirm all the variables are set correctly. Thanks for your responses! |
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I tried your command and get no errors.
Do you have all required application permissions granted for your Azure AD app?
Do you have taxonomy fields in your site? Maybe need termstore permissions?