How to turn off notifications for the calendar app?

Using /e/OS Applications
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1

I noticed that I can’t turn off notifications for the calendar app. Here’s my phone’s info:

Model: Asus Zenfone 8
Codename: sake
/e/OS version: 2.6.3 t

I tried turning them off through the settings app, but the option wasn’t available. The only toggle that works is the one for the notification dot.

IMG_20250103_202005
IMG_20250103_2020051080×2275 99.8 KB

So I tried going through the calendar app itself and got the same issue:

IMG_20250103_202651
IMG_20250103_2026511080×2269 113 KB

Does anyone know how to turn these off? I managed to do it before, but they started coming again recently. I use a Murena calendar account, but I have a different app that I want to use.