Get to Web Parts Maintenance Page for a Modern SharePoint Page
In the SharePoint Page, we use a web part maintenance page to see the list of web parts present on the page. This is helpful in the case of any error in the web part that causes some issue on the page. In a classic SharePoint page, you can get to the Web part maintenance page by using ?contents=1 as a query string in t he page URL. Please check the existing article on it here. For the modern SharePoint pages, use ?maintenancemode=true as a query string in the URL to get to the web part maintenance page. You will be able to see the page details and all the Web part details present on that page. Please note, the user should have at least Edit permission to open the maintenance page. You can perform the following actions in the web part maintenance page: View the Web part summary and copy the data and manifest information for each web part. Remove web parts you suspect are causing proble...