Why the bounds of xml is wrong?

when export the xml, the bounds is [object object]

<bpmndi:BPMNEdge id="SequenceFlow_1vxsbno_di" bpmnElement="SequenceFlow_1vxsbno" bounds="[object Object]">

how can i to do?

bpmndi:BPMNEdge does not have bounds but waypoints.

Please provide us with a clear way to reproduce your issue and we may be able to provide further assistance.

Have you found any solution.?
Facing the same issue but I have no idea of issue cause how it is getting set!

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