When parent of a part is checked on Where Used tab, it becomes circular reference depend on structure of parent/child relationship of the part. (PartX→PartY→PartZ→PartX)
Page display seems to be controlled to avoid infinite loop (in case of infinite loop, no case is shown) however Method Server memory resource is hugely consumed if Excel export is performed leading to infinite loop. Therefore, end result is to have overall system performance to be deteriorated impacting all users.
If any mechanism to avoid infinite loop is available for Excel export like page display, this significant problem can be prevented
