This number is invalid. What do you mean, please take it again?

This number is invalid, please get it again. This sentence means that the string of numbers you have is invalid and useless. You need to operate again and get it back.

Generally, when you get the verification code, you will send a text message to your mobile phone and send you a string of numbers. This is the number you said, or the verification code. Generally, this verification code has a time limit and needs to be used within 3~5 minutes. Used to verify identity or login account, etc. If it takes more than three minutes to fill in, the sentence "This number has expired, please get it again" may appear. At this time, you just need to click to get the verification code again, and then get it again to use it.