Discord.py-Rewrite Sending an Error message when there is an unknown command or other error

Question

I want to be able to send a message like await ctx.send("Error: Unknown command. Do -help for acceptable commands." or something like that (FYI, I\'m not

Answer 1

Discord.py has a on_command_error event, which takes the error as argument. You can use it this way:

@bot.event
async def on_command_error(ctx, error):
    await ctx.send(f"An error occured: {str(error)}")

Here's a list of every discord exeptions.
If you want a custom message for each error, you can do it this way:

@bot.event
async def on_message_error(ctx, error):
    if isinstance(error, discord.ext.commands.errors.CommandNotFound):
        await ctx.send("Unknown command")