Yoda and Luke force push not working

Product: Star Wars Battlefront II
Platform:Sony Playstation 4
What is your issue related to? General
Summarize your bug Sometime, Yoda unleashed ability does not do damage or push the enemy when the enemy is standing still inside the unleashed range. It happen in galactic assault and Hero vs. villain.
What is your gamertag/PSN ID/EA Account name? Axone911
How often does the bug occur? Occasionally (10% - 49%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 01/27/2018
What time did you see the bug? (HH:MM AM/PM) 9:58 PM
In what game mode did the bug occur? Galactic Assault
What is your time zone? CST - GMT - 6:00
Steps: How can we find the bug ourselves? It is 10% chance that this bug will happen and it is pure random.
What happens when the bug occurs? Yoda unleashed does nothing. It does not damage enemy or push them back. Even when the enemy stand still.
What do you expect to see? I expect when the enemy is in the Yoda's Unleashed range, it will get knock back and get kill.
Please select your region North America
AMD or Nvidia Model Number

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https://www.youtube.com/watch?v=jLbfWv7wycE

This occur in 1:50- 1:54. you will see what I mean. Other people experience this problem too.