See https://github.com/ProcessMaker/modeler/pull/1280#issuecomment-740764808. The following elements should not be validated for a missing ID: * `bpmn:standardLoopCharacteristics` * `bpmn:multiInstanceLoopCharacteristics`
See ProcessMaker/modeler#1280 (comment).
The following elements should not be validated for a missing ID:
bpmn:standardLoopCharacteristicsbpmn:multiInstanceLoopCharacteristics