Lightroom quits during importing photos on ipad

Ciao there!

i am running this issue for several times, before there were no problem with this setup earlier.

ipad os 17.0.3

lightroom is the latest version

this is a normal price usb hub with a sandisk extreme 128gb card.

there are 500 pics on the card, importing window comes up normally but showing up around 3-400 pics the app quits accidentally.

do anyone run into the issue like that?

what can be a solution?

thanks for the advices!