diff --git a/modules/automation/cron.py b/modules/automation/cron.py
index ba45125..2a6627f 100644
--- a/modules/automation/cron.py
+++ b/modules/automation/cron.py
@@ -101,11 +101,12 @@ class AutomationCron(ModelSQL, ModelView):
                 if existing:
                     parties_cache[name_upper] = existing[0]
                     return existing[0]
-                new_p = Party()
-                new_p.name = name_upper
-                parties_cache[name_upper] = new_p
-                parties_to_save.append(new_p)
-                return new_p
+                if name:
+                    new_p = Party()
+                    new_p.name = name_upper
+                    parties_cache[name_upper] = new_p
+                    parties_to_save.append(new_p)
+                    return new_p
 
             def get_or_create_vessel(name, imo=None):
                 name_upper = name.upper()
@@ -115,12 +116,13 @@ class AutomationCron(ModelSQL, ModelView):
                 if existing:
                     vessels_cache[name_upper] = existing[0]
                     return existing[0]
-                new_v = Vessel()
-                new_v.vessel_name = name_upper
-                new_v.vessel_imo = imo
-                vessels_cache[name_upper] = new_v
-                vessels_to_save.append(new_v)
-                return new_v
+                if name:
+                    new_v = Vessel()
+                    new_v.vessel_name = name_upper
+                    new_v.vessel_imo = imo
+                    vessels_cache[name_upper] = new_v
+                    vessels_to_save.append(new_v)
+                    return new_v
 
             def get_or_create_location(name, type_):
                 key = f"{name.upper()}_{type_}"
@@ -130,12 +132,13 @@ class AutomationCron(ModelSQL, ModelView):
                 if existing:
                     locations_cache[key] = existing[0]
                     return existing[0]
-                new_loc = Location()
-                new_loc.name = name.upper()
-                new_loc.type = type_
-                locations_cache[key] = new_loc
-                locations_to_save.append(new_loc)
-                return new_loc
+                if name:
+                    new_loc = Location()
+                    new_loc.name = name.upper()
+                    new_loc.type = type_
+                    locations_cache[key] = new_loc
+                    locations_to_save.append(new_loc)
+                    return new_loc
 
             # ----- Récupération ou création des objets -----
             carrier = get_or_create_party(carrier_name)