tft champion list stuck and shows 'sell for 0 gold' after selling a champion

​List the steps that occurred before the bug happened:

1. i selected a champion from bench to sell
2. moved to the champion list area at bottom to sell
3. champion was sold and screen stuck at 'sell for 0 gold'

Expected Result: selling champion then champion list go back again after i sell the champion. Actual Result: champion list stuck and shows 'sell for 0 gold' after i sold a champion and i have to sell another champion so i can get back to the champion list and buy other champions during the round, i have screenshot and it was taken at 2019-12-13 -- 6:29:54 AM