Can't call, message or FaceTime one particular contact.
There's just one contact of mine and she doesn't receive my texts (I have iMessage turned on), calls or FaceTimes. She can call/text/FaceTime me and it works and I receive it but nothing goes through from me to her phone. Everyone else works fine other than this one contact. Getting frustrating and would really like it to work. Thanks
iPhone 11, iOS 15