模板未保存404未找到umbraco/RestServices/SaveFile/SaveTemplate umbraco

当我试图保存模板时，我无法保存模板，也没有收到任何错误消息。 但在Chrome控制台中，我可以看到以下消息“404未找到umbraco/RestServices/SaveFile/SaveTemplate”

在应用程序_数据中，我收到以下错误

ERROR Umbraco.Web.Scheduling.ScheduledPublishing - [Thread 5] An error occurred with the scheduled publishing System.Net.WebException: The underlying connection was closed: The connection was closed unexpectedly. at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request) at System.Net.WebClient.UploadString(Uri address, String method, String data) at System.Net.WebClient.UploadString(String address, String data) at Umbraco.Web.Scheduling.ScheduledPublishing.Run()

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可能是权限问题？检查网站运行时使用的标识是否具有读取/写入/修改视图文件夹的权限。

它具有所有权限。！顺便说一句，它只发生在一个有很多内容的特定模板上