The virtual mobile phone of the account has expired.

The reason why the virtual mobile phone with the account number has expired may be that the validity period of the virtual mobile phone number has expired. Virtual mobile phone number is usually provided by a third party and used to receive verification information such as SMS verification code. These virtual mobile phone numbers may have a certain validity period, and once they exceed the validity period, they can no longer be used.

Expansion: The use of virtual mobile phone number is really convenient in some cases, such as not wanting to reveal personal real mobile phone number when registering some website accounts, or needing to receive SMS verification code when some temporary needs arise. However, there are also some problems with virtual mobile phone numbers. First of all, the availability of virtual mobile phone number is unstable, and it may not be used normally due to reasons such as expiration and ban. Secondly, some platforms will also restrict the virtual mobile phone number, such as not supporting the binding of the virtual mobile phone number, or carrying out risk identification on the virtual mobile phone number, which may lead to the account being banned. Therefore, the use of virtual mobile phone numbers needs to be cautious, weigh the pros and cons, and make a choice according to the specific situation. If the account cannot be used normally due to the expiration of the virtual mobile phone, you can try to update the virtual mobile phone number or use other normal mobile phone numbers for verification to restore the normal function of the account.