Conversation problem???

[AC Question]

When I text someone a new conversation tab opens and that's ok, but when the same person replies a new tab opens, this only happens for the first text with that person. Already checked if the number is saved twice but it's not

 

[AlphaTango414]

Check the numbers. Make sure one of them doesn't have a +1 in front of it and the other just starts with the area code.