Stories started previous weeks dissapeared from Current Iteration

We encountered a problem that on some of our projects, the stories from “Current iteration” disappeared. We are able to see them in “My Work” Column but they are not appearing in current iteration column.

The stories that disappeared are started/Delivered stories from last week's iteration

Impacted projectIDs:

• 6e62ee

• 91ebf0

• 9bd508

• ebcbf0