app/models/no_cms/blocks/concerns/serializing_fields.rb in nocms-blocks-1.1.1 vs app/models/no_cms/blocks/concerns/serializing_fields.rb in nocms-blocks-1.1.2

@@ -74,12 +74,24 @@
           # Returns the type of a field in the current layout configuration of
           # this block.
           #
           # If the field is not present in the layout configuration it returns
           # nil.
+          #
+          # If the field is the id of an ActiveRecord field then we return
+          # :id
           def field_type field
             return nil unless has_field?(field)
-            fields_configuration.symbolize_keys[field.to_sym][:type]
+
+            # If the field exists in the fields configuration then we return its
+            # type
+            if fields_configuration.symbolize_keys[field.to_sym]
+              fields_configuration.symbolize_keys[field.to_sym][:type]
+            # If it doesn't (but remember! the has_field? method returned true)
+            # then it must be an ActiveRecord field's id.
+            else
+              :id
+            end
           end
 
           ##
           # Returns the stored value of the field for this block.
           #