SharePoint 2019 - "You can't edit this page"
When you get the following message don't panic - SharePoint 2019 - "You can't edit this page".
- Create a new page using the modern drop-down menu
- Go to your https://sharepoint/SitePages/Forms/AllPages.aspx
- Select the new page and make it the home page
- Rename the original Home.aspx to Home-Old.aspx Rename the new page as Home.aspx
- Test