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I sent an invitation to add a line to my multi line acct but cancelled it bc they had not finished activating their new phone. Now I'm trying to send the invitation to that number again and it will not let me, it keeps giving me an Error Message.
Go to Solution.
We have an answer for this. An account must be active for thirty days before it can join a prepaid multi-line account. Once their service has been active for one month, resend the invitation.
Have a great week!
James, AT&T Community Specialist
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