..

HMI/Project/PUB.cs

@@ -733,6 +733,8 @@ namespace Project
                     SaveTime = DateTime.Now
                 };
 
+                var fi = new System.IO.FileInfo(LastPosFilePath);
+                if (fi.Directory.Exists == false) fi.Directory.Create();
                 string json = JsonConvert.SerializeObject(data, Formatting.Indented);
                 File.WriteAllText(LastPosFilePath, json);
             }