63120: Your Meta Business Account has been locked. Please contact Meta Business Support to unlock your account before proceeding

This error appears when you try to register or update a WhatsApp sender and the associated Meta Business Account or WABA has been locked or restricted by Meta. While the restriction is in place, sender registration, updates, and other management operations cannot continue.

• The Meta Business Account or WABA is locked or restricted by Meta.

• Contact Meta Business Support to unlock your account before you continue.
• Retry the registration or update after Meta removes the restriction.

• Register WhatsApp senders - ISVs
• Register WhatsApp senders using Self Sign-up
• Overview of the WhatsApp Business Platform with Twilio