Good Day & Welcome to the Bell Community Forum
Which device & app are you using to send your text? Have you checked your contact, shared & group message settings?
Verify yours & iOS / OS are up date. Please do a full device power off & on.
As a starting delete & reset all of previous the group messages completely. Also delete any multi users messages that you were a part of with these two people. Then send one message to any one of your contacts.
Apple - iPhone: https://support.apple.com/en-ca/guide/iphone/iphb10c80fc5/ios
Samsung: https://www.samsung.com/us/support/answer/ANS00090223/#:~:text=Creating%20and%20sending%20group%20me....
Let us know if you require further assistance.
Take care.
I am a Community All-Star and customer. I'm here to help by sharing my knowledge and experience. My views on Bell and the Community Forum are my own and not the views of Bell or any of its affiliates.
