Adsense approval question

[Hadomi]

Hey, there Adsense Pros.

I have another question related to blogs/adsense.

I added a site to get appoved to adsense.
I added it via SITE KIT, After some days still showing: ads.txt not found

Is it in a normal timerange or have I to do something? When I check the website link I see still this and there is nothing I could insert into a .txt file:

I think all good and I just