Hi All,
I have 15 parent task which having External Estimate(custom field with number field) in backlog. Now When i create the sprint and drag that 15 parent task in sprint and checked the burndown chart i see only 10 parent task are having the events called Sprint started and rest are missing. I don't know what is the issue.
I had attached the picture for burndown chart. Please let me know any solution

In above image u can see that PDRS-14221 and PDRS-14227 are not having event type as sprint start. IT has event type as Burndown.
Please let me know if anything is needed.
Thanks,
Rohit