Need help for my project

I have created this project on Kodular it work great on Kodular
kodularlistview.aia (468.9 KB)


I want to make this on Nitoron because of extension restriction AND I Made from Scratch but I am getting some error

Niotronlist.aia (513.2 KB)

Please share blocks.

I have also provide aia file if u can help
Niotronlist.aia (513.2 KB)