Doggy Talent Next - Lost dog

Hi !

I use Doggy Talent Next mod and i lost my dog. He might have tp on me somewhere and i used elytra and i think he hasn't followed me. The problem is that i think i have look for him everywhere i have been recently and i didn't find him. When i right click on his bed it says that it's his bed but he doesn't respawn so i asume he isn't dead. The whistle feature only work on near dog so i think it doesn't help. Do you have any idea on how i can find him please ?

Thanks !