403 Forbidden (error Code: 50001): Missing Access When Adding Role | Discord.py

I am trying to ass different roles to people rapidly to give users the impression of their name being rainbow ( yes I know its against TOS ), and I am starting by adding roles to p

Solution 1:

Make sure you have a role given to the bot which has access to managing roles. Also when you add the bot from the dev portal you can give it permissions.

Best practice is to make a role called BOT with all the permissions and give it to all the bots you have in the server