My family members can’t join to my Apple Music account

Hey JosePrd,

First, you'll want to ensure that Family Sharing is set up properly for you and the members you want to share your Apple Music subscription with. This article provides those steps: Set up Family Sharing - Apple Support

Then you'll want to ensure that the subscription you have for Apple Music is a family subscription and not an individual subscription. Get an Apple Music family subscription - Apple Support

"Then follow these steps to subscribe

1. Open the Apple Music app or iTunes.
2. Go to Listen Now or For You.
3. Tap or click the trial offer, (one trial per person or family).
4. Choose Family, then tap or click Start Trial.
5. Sign in with the Apple ID and password that you use to make purchases. If you don’t have an Apple ID, choose Create New Apple ID, then follow the steps. If you're not sure if you have an Apple ID, we can help you find out.
6. Confirm your billing information and add a valid payment method.
7. Tap or click Join.

Learn more

• You can also get an individual subscription or student subscription to Apple Music.
• With Apple One, you can bundle Apple Music with Apple TV+, Apple Arcade, iCloud storage, and more for a low monthly price. Learn how to sign up for Apple One.
• Learn how to view, change, or cancel your subscription."

Thanks!