diff --git a/src/agenda_culturel/celery.py b/src/agenda_culturel/celery.py
index 2904f7c..6c83ebc 100644
--- a/src/agenda_culturel/celery.py
+++ b/src/agenda_culturel/celery.py
@@ -243,14 +243,17 @@ def import_events_from_url(self, url, cat):
                 url, published=False, default_values=values
             )
 
-            # convert it to json
-            json_events = json.dumps(events, default=str)
+            if events:
+                # convert it to json
+                json_events = json.dumps(events, default=str)
 
-            # import events (from json)
-            success, error_message = importer.import_events(json_events)
+                # import events (from json)
+                success, error_message = importer.import_events(json_events)
 
-            # finally, close task
-            close_import_task(self.request.id, success, error_message, importer)
+                # finally, close task
+                close_import_task(self.request.id, success, error_message, importer)
+            else:
+                close_import_task(self.request.id, False, "Cannot find any event", importer)
         except Exception as e:
             logger.error(e)
             close_import_task(self.request.id, False, e, importer)
diff --git a/src/agenda_culturel/import_tasks/extractor_facebook.py b/src/agenda_culturel/import_tasks/extractor_facebook.py
index 1909317..fd131a5 100644
--- a/src/agenda_culturel/import_tasks/extractor_facebook.py
+++ b/src/agenda_culturel/import_tasks/extractor_facebook.py
@@ -264,6 +264,8 @@ class FacebookEventExtractor(Extractor):
                     event["category"] = default_values["category"]
                 self.add_event(**event)
             return self.get_structure()
+        else:
+            logger.warning("cannot find any event in page")
 
 
         return None
diff --git a/src/agenda_culturel/import_tasks/extractor_ggcal_link.py b/src/agenda_culturel/import_tasks/extractor_ggcal_link.py
index de7533d..b5840c7 100644
--- a/src/agenda_culturel/import_tasks/extractor_ggcal_link.py
+++ b/src/agenda_culturel/import_tasks/extractor_ggcal_link.py
@@ -66,5 +66,4 @@ class GoogleCalendarLinkEventExtractor(Extractor):
                     break
 
 
-        logger.warning("ça marche")
         return self.get_structure()
\ No newline at end of file