ERROR: Permission Error
If you are seeing this error, you may want to double check if you are the admin of the ad account. Only admins of the ad account will be able to create a custom conversions or custom audiences on Facebook.
If you have confirmed you are the admin of the ad account but still seeing the same error, you may want to check if you have enabled two-factor authentication for your Business Manager login. You will need to deactivate this setting in order to use Pixel Bay.