# django__django-11630
# Loki Mode Multi-Agent Patch
# Attempts: 1

--- a/django/core/checks/models/models.py
+++ b/django/core/checks/models/models.py
@@ -1,5 +1,6 @@
 import inspect
 import types
+from django.conf import settings
 from itertools import chain
 
 from django.apps import apps
@@ -35,13 +36,22 @@ def check_all_models(app_configs=None, **kwargs):
         indexes[model_index.name].append(model._meta.label)
         constraints[model_constraint.name].append(model._meta.label)
     for db_table, model_labels in db_table_models.items():
         if len(model_labels) != 1:
+            # If DATABASE_ROUTERS is configured, models may be routed to
+            # different databases where having the same table name is valid.
+            # Downgrade to a warning in this case.
+            if settings.DATABASE_ROUTERS:
+                error_class = Warning
+                error_id = 'models.W028'
+            else:
+                error_class = Error
+                error_id = 'models.E028'
             errors.append(
-                Error(
+                error_class(
                     "db_table '%s' is used by multiple models: %s."
                     % (db_table, ', '.join(sorted(model_labels))),
                     obj=db_table,
-                    id='models.E028',
+                    id=error_id,
                 )
             )
     for index_name, model_labels in indexes.items():