SEE against SLKR battle bug - game freeze

[Descento]

Product: Star Wars: Galaxy of Heroes
Platform:Android Tablet
What type of device are you experiencing the issue with? Samsung Galaxy Tab S6
OS Version Latest
Ally Code: (Find it here: http://bit.ly/AllyCode ) 265-587-195
What type of issue do you have? Gameplay
How often does the bug occur? Rarely (0% - 9%)
Summarize your bug Galaxy Battle: Normal mode, Sector 5, last boss - Supreme Leader Kylo Ren , my Sith Galactic Emperor got stuck on him with Ultimate ability. Couldt press any button, battle time ran out, nothing happened. Had to close game and restart.
Steps: How can we find the bug ourselves? I have screenshots.
Connection Type Wifi
Please select your region Europe
Country Ukraine

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Screenshots attached: