We have discovered the cause of this bug and are currently working to implement a fix to prevent players from using this in game.
Given the nature of the bug it's highly unlikely players are doing this by mistake, if you have done please select a new character before the match starts.
Any players found exploiting this bug for entire matches are in breach of the Bleeding Edge Code of Conduct and may face consequences.
We encourage the community to continue making use of the "Report a player" tool in game so we can take action where necessery.