why is my whatsapp do not accept new numbers

[rogermore12]

I bouhgt a used samsung omnia 7 with windows os 7.8 and downloaded whatsapp but on agreeing and continue with my number it asks for an older number that it last used with whatsapp. please help because i desperately need this fixed

 

[Chintan Gohel]

I bouhgt a used samsung omnia 7 with windows os 7.8 and downloaded whatsapp but on agreeing and continue with my number it asks for an older number that it last used with whatsapp. please help because i desperately need this fixed

it's no longer supported: https://www.whatsapp.com/faq/en/wp/21478428