diff --git a/src/agenda_culturel/import_tasks/custom_extractors/fbevents.py b/src/agenda_culturel/import_tasks/custom_extractors/fbevents.py
index ac413a2..49b72c8 100644
--- a/src/agenda_culturel/import_tasks/custom_extractors/fbevents.py
+++ b/src/agenda_culturel/import_tasks/custom_extractors/fbevents.py
@@ -17,30 +17,28 @@ logger = logging.getLogger(__name__)
 # such as https://www.facebook.com/laJeteeClermont/events
 class CExtractor(TwoStepsExtractor):
 
-    def find_event_id_fragment_in_array(self, array, first=True):
-        found = False
+    def find_event_id_fragment_in_array(self, array):
         if isinstance(array, dict):
             if "__typename" in array and array["__typename"] == "Event" and "id" in array:
                 self.add_event_url("https://www.facebook.com/events/" + array["id"] + "/")
-                found = True
-            if not found:
+                self.found = True
+            else:
                 for k in array:
-                    found = self.find_event_id_fragment_in_array(array[k], False) or found
+                    if k == "pageItems":
+                        self.has_page_items = True
+                    self.find_event_id_fragment_in_array(array[k])
         elif isinstance(array, list):
             for e in array:
-                found = self.find_event_id_fragment_in_array(e, False) or found
-        return found
+                self.find_event_id_fragment_in_array(e)
 
 
     def find_in_js(self, soup):
-        found = False
 
         for json_script in soup.find_all("script", type="application/json"):
             json_txt = json_script.get_text()
             json_struct = json.loads(json_txt)
-            found = self.find_event_id_fragment_in_array(json_struct) or found
+            self.find_event_id_fragment_in_array(json_struct)
 
-        return found
 
 
     def build_event_url_list(self, content):
@@ -48,16 +46,20 @@ class CExtractor(TwoStepsExtractor):
 
         debug = False
 
-        found = False
+        self.found = False
         links = soup.find_all("a")
         for link in links:
             if link.get("href").startswith('https://www.facebook.com/events/'):
                 self.add_event_url(link.get('href').split('?')[0])
-                found = True
+                self.found = True
 
-        found = self.find_in_js(soup) or found
+        self.has_page_items = False
+        self.find_in_js(soup)
 
-        if not found and debug:
+        if not self.has_page_items:
+            raise Exception(_("the page was not yet populated with events, so the loading time was probably too short"))
+
+        if not self.found and debug:
             directory = "errors/"
             if not os.path.exists(directory):
                 os.makedirs(directory)
diff --git a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
index aacc813..415d93f 100644
--- a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
+++ b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
@@ -2,13 +2,13 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # Jean-Marie Favreau <jeanmarie.favreau@free.fr>, 2023.
-#
+# 
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: agenda_culturel\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-02-07 10:17+0100\n"
+"POT-Creation-Date: 2025-02-07 11:55+0100\n"
 "PO-Revision-Date: 2023-10-29 14:16+0000\n"
 "Last-Translator: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
 "Language-Team: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
@@ -352,7 +352,15 @@ msgstr "Informations"
 msgid "Add a comment"
 msgstr "Ajouter un commentaire"
 
-#: agenda_culturel/import_tasks/custom_extractors/fbevents.py:99
+#: agenda_culturel/import_tasks/custom_extractors/fbevents.py:60
+msgid ""
+"the page was not yet populated with events, so the loading time was probably "
+"too short"
+msgstr ""
+"la page n'était pas encore peuplée des événements, le temps de chargement a "
+"sans doute été trop court"
+
+#: agenda_culturel/import_tasks/custom_extractors/fbevents.py:101
 msgid "Cannot get Facebook event from {}"
 msgstr "Impossible de récupérer un événement Facebook depuis {}"