I have done a discord bot and I want to add a custom discord emoji reaction I have this code:
x = await ctx.send(embed=asdf)
await x.add_reaction("1️⃣")
await x.add_reaction("once:EmojiID")
and when i run the code i have this error: discord.ext.commands.errors.CommandInvokeError: Command raised an exception: HTTPException: 400 Bad Request (error code: 10014): Unknown Emoji