#SP-CannotCreateSubsite

Issue:

A subsite encountered an error during restore with the following error code:

Details:

Your tenant settings do not allow the creation of subsites, so the subsite cannot be restored.

Solution:

You must update the tenant settings to enable the creation of subsites and try to restore them again.

Follow the steps below to enable the creation of subsites at the tenant level:

1. Sign in to the SharePoint admin center with a Microsoft 365 SharePoint administrator role.

2. Click Settings on the left panel.

3. In the Settings page, scroll down to the bottom and click classic settings page.

4. In the classic Settings page, find the Subsite Creation field and select the Enable subsite creation for all sites option.

5. Click OK to save your changes.