"customer_id" => $form->{"customer_id_$i"},
"language_id" => $form->{"language_id_$i"},
"next_dunning_config_id" => $form->{"next_dunning_config_id_$i"},
"customer_id" => $form->{"customer_id_$i"},
"language_id" => $form->{"language_id_$i"},
"next_dunning_config_id" => $form->{"next_dunning_config_id_$i"},