Just lost my entire phone storage trying to back up to my phone on my computer

Since, for whatever reason, Apple wouldn't back up my phone, I asked ChatGPT how to back up my phone on my pc and followed the steps. Halfway through, it gave an Error 1109 message and proceeded to scrub my phone of everything, which I had no idea was possible I am now locked out of my iCloud because of two step ath, If anyone has any recomendations please Lmk, thanks.