sqlite3. Ошибка sqlite3.ProgrammingError: Error binding parameter 1: type 'set' is not supported

Код:

@bot.event
async def on_ready():
    print(f"{bot.user} готов к работе!")
    for guild in bot.guilds:
        for member in guild.members:
            global db, sql, all_messages
            db = sqlite3.connect('server.db')
            sql = db.cursor()
            if db:
                print("База данных подключена!")
            name = f"{guild.name}"
            db.execute('CREATE TABLE IF NOT EXISTS {}(userid INT, messages INT)'.format(name))
            db.commit()
            all_messages = sql.execute('SELECT messages FROM {} WHERE userid == ?'.format(name),({member.id},)).fetchone()
            print(all_messages)

Ошибка:

all_messages = sql.execute('SELECT messages FROM {} WHERE userid == ?'.format(name),

               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
sqlite3.ProgrammingError: Error binding parameter 1: type 'set' is not supported