Invoke-PnPSiteScript: Object reference not set to an instance of an object.

[KingM365]

PS C:\Users\User1> # Connect to the SharePoint Online tenant administration site
PS C:\Users\User1> Connect-PnPOnline -Url "https://mytenant-admin.sharepoint.com" -Interactive
PS C:\Users\User1>
PS C:\Users\User1> # Define the site script
PS C:\Users\User1> $siteScript = @{

Title = "Project Documents Template"
Description = "Script for creating a project documents library with subfolders"
Content = '{
    "schema": "https://developer.microsoft.com/json-schemas/sp/site-design-script-actions.schema.json",
    "actions": [
        {
            "verb": "createSPList",
            "listName": "Project Name - Project Document",
            "templateType": 101,
            "subactions": [
                {
                    "verb": "setDescription",
                    "description": "This is a project documents library."
                }
            ]
        }
    ],
    "bindata": {},
    "version": 1
}'

}
PS C:\Users\User1>
PS C:\Users\User1> # Add the site script
PS C:\Users\User1> $siteScriptObject = Add-PnPSiteScript @sitescript
PS C:\Users\User1>
PS C:\Users\User1> # Debugging output to verify site script creation
PS C:\Users\User1> Write-Host "Site script object: $($siteScriptObject | Out-String)"
Site script object:
Id Title Version Description Content IsSiteScriptPackage

---

0f13736c-bbcd-4c7e-87d5-2a38f1b7d301 Project Documents Template 0 Script for creating a project documents library with subfolders False

PS C:\Users\User1>
PS C:\Users\User1> if ($siteScriptObject -eq $null) {

Write-Host "Error: Failed to create site script. Exiting script." -ForegroundColor Red

}
PS C:\Users\User1>
PS C:\Users\User1> # Debugging output to verify web URL
PS C:\Users\User1> $webUrl = "https://mytenant.sharepoint.com/sites/SPMigrationTest"
PS C:\Users\User1> Write-Host "Web URL: $webUrl"
Web URL: https://mytenant.sharepoint.com/sites/SPMigrationTest
PS C:\Users\User1>
PS C:\Users\User1> # Debugging output to verify site script object
PS C:\Users\User1> Write-Host "Site script object: $($siteScriptObject | Out-String)"
Site script object:
Id Title Version Description Content IsSiteScriptPackage

---

0f13736c-bbcd-4c7e-87d5-2a38f1b7d301 Project Documents Template 0 Script for creating a project documents library with subfolders False

PS C:\Users\User1>
PS C:\Users\User1> # Check if $siteScriptObject is null
PS C:\Users\User1> if (-not $siteScriptObject) {

Write-Host "Error: Site script object is null. Exiting script." -ForegroundColor Red
exit

}
PS C:\Users\User1>
PS C:\Users\User1> # Check if the site script is available in the site collection
PS C:\Users\User1> $availableSiteScripts = Get-PnPSiteScript
PS C:\Users\User1> $siteScriptStatus = $availableSiteScripts | Where-Object { $_.Id -eq $siteScriptObject.Id }
PS C:\Users\User1>
PS C:\Users\User1> if (-not $siteScriptStatus) {
Write-Host "Error: Site script is not available. Exiting script." -ForegroundColor Red
exit
}
PS C:\Users\User1>
PS C:\Users\User1> # Debugging output to verify parameters
PS C:\Users\User1> Write-Host "Site script object ID: $($siteScriptObject.Id)"
Site script object ID: 0f13736c-bbcd-4c7e-87d5-2a38f1b7d301
PS C:\Users\User1> Write-Host "Web URL: $webUrl"
Web URL: https://mytenant.sharepoint.com/sites/SPMigrationTest
PS C:\Users\User1>
PS C:\Users\User1> # Invoke the site script directly
PS C:\Users\User1> Write-Host "Invoking site script..."
Invoking site script...
PS C:\Users\User1> Invoke-PnPSiteScript -Identity $siteScriptObject.Id -WebUrl $webUrl
Invoke-PnPSiteScript: Object reference not set to an instance of an object.

Anyone run into this issue?