Help with project I'm doing

Hello, for a project I am doing I am making it so it connects the app to a ESP32 which connects to a led matrix 16x16.
I get the error code:1103

Where do you set Web1's URL?

What is it?

The url is in the format of https://(ip of wifi)/upload

As im trying to connect the app and the EP together using wifi

Search this board for 1103.

Also, post your exported aia and your sketch code.