It's hard for site developers to fix it if you're too specific. You need to be more vague.
To start with you already say it's live chess, and even that it's on chess.com. Those are both mistakes. It's better to say:
"I had a problem while using my computer today"
That way they don't even know if the problem was with the computer itself, or if the problem just happened while you were using the computer.
failed to create a challenge with the given parameters