What did you try to do?
Reply on the league chat using new reply function.
What happened instead?
It posted as a reply twice
Did the problem happen while using wi-fi, mobile data, or both?
Mobile data
Did the bug happen in the app, on PC, or both?
App
What is the model of your device?
Samsung galaxy a3
What is the operating system?
Android
What is the version number of the operating system?
Don't know
Can the bug be reproduced?
It happens almost every time with every reply from every player.
Additional comments:
Annoying rather than a serious issue.