Why does iTunes say I don’t have permission to connect to my new iPhone?

I just switched from an iPhone 5 to an iPhone 10 and I’m trying to load the information from my old phone that’s backed up on my iTunes into my new phone.

But every time I plug in my phone and try to connect it to my iTunes (12.5.5.5), it tells me it can’t connect because I don’t have permission. Even after I press the “trust this computer”

So why it say that