why can I recieve sms alerts but when I go to respond back it says failed?

[AC Question]

Ok I have a few sms alerts that I got on my text messages and when I go to respond yes or no the message says fail. What can i do to fix this issue

 

[B. Diddy]

Welcome to Android Central! Which phone? Are these normal text messages from other contacts? I'm just not sure if "SMS alerts" refers to the messages or the notifications.