diff --git a/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java b/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
index 7c9e882..d579c78 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/diframe/model/DiMdbNotification.java
@@ -37,4 +37,13 @@ public class DiMdbNotification extends DiActiveRecord {
         notification.status = "new";
         notification.save();
     }
+
+    // notify error
+    public static void taskError( DiTask task, String error ) {
+        var notification = new DiMdbNotification();
+        notification.type = "task-error";
+        notification.data = error;
+        notification.status = "new";
+        notification.save();
+    }
 }