Why does not add a role by reaction?

Question

Python

the code

import discord
from discord import utils
import config


class MyClient(discord.Client):
    async def on_ready(self):
        print('Logged on as {0}!'.format(self.user))

    async def on_raw_reaction_add(self, payload: discord.RawReactionActionEvent):
        if payload.message_id == config.POST_ID:
            channel = self.get_channel(payload.channel_id)  # получаем объект канала
            message = await channel.fetch_message(payload.message_id)  # получаем объект сообщения
            member = utils.get(message.guild.members,
                               id=payload.user_id)  # получаем объект пользователя который поставил реакцию

            try:
                emoji = str(payload.emoji)  # эмоджик который выбрал юзер
                role = utils.get(message.guild.roles, id=config.ROLES[emoji])  # объект выбранной роли (если есть)

                if len([i for i in member.roles if i.id not in config.EXCROLES]) <= config.MAX_ROLES_PER_USER:
                    await member.add_roles(role)
                    print('[SUCCESS] User {0.display_name} has been granted with role {1.name}'.format(member, role))
                else:
                    await message.remove_reaction(payload.emoji, member)
                    print('[ERROR] Too many roles for user {0.display_name}'.format(member))

            except KeyError:
                print('[ERROR] KeyError, no role found for ' + emoji)
            except Exception as e:
                print(repr(e))

    async def on_raw_reaction_remove(self, payload: discord.RawReactionActionEvent):
        channel = self.get_channel(payload.channel_id)  # получаем объект канала
        message = await channel.fetch_message(payload.message_id)  # получаем объект сообщения
        member = utils.get(message.guild.members,
                           id=payload.user_id)  # получаем объект пользователя который поставил реакцию

        try:
            emoji = str(payload.emoji)  # эмоджик который выбрал юзер
            role = utils.get(message.guild.roles, id=config.ROLES[emoji])  # объект выбранной роли (если есть)

            await member.remove_roles(role)
            print('[SUCCESS] Role {1.name} has been remove for user {0.display_name}'.format(member, role))

        except KeyError:
            print('[ERROR] KeyError, no role found for ' + emoji)
        except Exception as e:
            print(repr(e))


# RUN
intents = discord.Intents(messages=True, guilds=True)
intents.reactions = True
intents.members = True
client = MyClient(intents=intents)
client.run('BOT_TOKEN')

Answer 1

Removing a role works, but adding doesn't?
The first thing that catches your eye is that when you delete a role, the ID of the post on which the reaction was set is not checked.
Is the ID set correctly? Like an integer?