My pending approval phone number

Dear sir,madam,

I am a owner of the property ,but my phone number is pending approval yet,tell me what is the reason not approval .my current approved phone number is not own me now,so i request you my former phone number remove and approve my new phone number (94776615166).it is very valuable for me.i unable to log my booking plus app without pin number

Your early response in this regards i am very appreciate