What does it mean that the address entered when sending a text message is infinite?

Does the subject want to ask what it means to send a text message because the entered address is invalid?

1, mobile phone operation: set, apply, manage application, slide screen option, find information, click Enter to try to clear data.

2. Settings, Applications, Management Applications, Sliding Screen Options, BadgeProvider, and click Enter to try to clear data.

3. If the problem still exists, please back up your phone data and reset your phone.