diff --git a/lib/features/ordering/BpmnOrderingProvider.js b/lib/features/ordering/BpmnOrderingProvider.js index 3eb39ec3..175d4370 100644 --- a/lib/features/ordering/BpmnOrderingProvider.js +++ b/lib/features/ordering/BpmnOrderingProvider.js @@ -120,7 +120,7 @@ export default function BpmnOrderingProvider(eventBus, canvas, translate) { } if (!actualParent) { - throw new Error('no parent for <' + element.id + '> in <' + newParent.id + '>'); + throw new Error('no parent for <' + element.id + '> in <' + (newParent && newParent.id) + '>'); } return actualParent;