diff --git a/app/models/footprintable.rb b/app/models/footprintable.rb
index 18f17d1e5..33dc4774d 100644
--- a/app/models/footprintable.rb
+++ b/app/models/footprintable.rb
@@ -20,7 +20,7 @@ class Footprintable < ApplicationRecord
     return false unless persisted?
 
     reload
-    footprint_children.map(&:check_footprint).all? && !chained_element.corrupted?
+    footprint_children.map(&:check_footprint).all? && chained_element && !chained_element.corrupted?
   end
 
   # @return [ChainedElement]
diff --git a/app/views/api/payment_schedules/_payment_schedule.json.jbuilder b/app/views/api/payment_schedules/_payment_schedule.json.jbuilder
index 8875f10c0..73b5ecbbc 100644
--- a/app/views/api/payment_schedules/_payment_schedule.json.jbuilder
+++ b/app/views/api/payment_schedules/_payment_schedule.json.jbuilder
@@ -14,8 +14,8 @@ if payment_schedule.operator_profile
   end
 end
 json.main_object do
-  json.type payment_schedule.main_object.object_type
-  json.id payment_schedule.main_object.object_id
+  json.type payment_schedule.main_object&.object_type
+  json.id payment_schedule.main_object&.object_id
 end
 if payment_schedule.gateway_subscription
   # this attribute is used to known which gateway should we interact with, in the front-end