The Ribbon Tab with id: "Ribbon.Read" has not been made available for this page or does not exist.Use Ribbon.MakeTabAvailable().使用SharePoint自带的弹窗,有时候会遇到这种问题。大多数情况下,这种问题的主要原因是因为弹出的页面类型是WikiPage,把页面类型改为WebPart即可。