LearningStatus::Error : error message argument

server/src/services/analytic_service/analytic_service.rs

@@ -263,9 +263,9 @@ impl AnalyticService {
                 }
             }
             // TODO: create custom DatasourceError error type
-            Err(_) => {
+            Err(err) => {
                 self.analytic_unit = None;
-                self.analytic_unit_learning_status = LearningStatus::Error;
+                self.analytic_unit_learning_status = LearningStatus::Error(err.to_string());
             }
         }
     }

server/src/services/analytic_service/types.rs

@@ -22,7 +22,7 @@ pub enum LearningStatus {
     Initialization,
     Starting,
     Learning,
-    Error,
+    Error(String),
     Ready,
 }