UPDATE

access_control/migrations/0005_backfill_farm_subscription_plans.py

@@ -0,0 +1,26 @@
+from django.db import migrations
+
+
+def backfill_farm_subscription_plans(apps, schema_editor):
+    SubscriptionPlan = apps.get_model("access_control", "SubscriptionPlan")
+    FarmHub = apps.get_model("farm_hub", "FarmHub")
+
+    default_plan = (
+        SubscriptionPlan.objects.filter(is_active=True, metadata__is_default=True).order_by("name").first()
+        or SubscriptionPlan.objects.filter(code="gold", is_active=True).first()
+    )
+    if default_plan is None:
+        return
+
+    FarmHub.objects.filter(subscription_plan__isnull=True).update(subscription_plan=default_plan)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("access_control", "0004_enable_default_feature_access"),
+        ("farm_hub", "0007_farmhub_subscription_plan"),
+    ]
+
+    operations = [
+        migrations.RunPython(backfill_farm_subscription_plans, migrations.RunPython.noop),
+    ]