'Move to ios' Apps, but I still can't use my whatsapp (can't receive code from old phone)

I use 'move to ios' to move my whatsapp (I check the whatsapp apps and the process completed on my Android) then the data transfer is already done aswell. But when I open whatsapp on my iPhone, it asked me a confirmation code that has been sent to my whatsapp on another device, which is my Android. But when I open whatsapp on my android, whatsapp is logged out and I can't get the code. Please help