I need help, every time I try to play the game I get a message with the text that is in the description, I need to know if they ask me to help and how I solve this

GAME ALREADY RUNNING-You are already logged into Minecraft as this user.Please note that you can only join a minecraft world or server once per user.-Minecraft is already running in this game directory.Starting it again may cause malfunctions or corrupt your saves.To solve this, create a new launch option and edit it to run in a different game directory.-We take no responsibility for any issues if you choose to ignore this message.Would you like to to start the game anyway?