Its happening me about 3-4 times so i am sure about some bug lying over there. When i move my arty units nearby the country which i've been peace with him my arty guys shooting them and i get suddenly war without any click or declaring war on them.

Edit: My artilleries were aggressive mod

Quote from Furry1

Let me direct you to the following Forum Thread where everything will be explained.

Fire at will! - Patch Notes July 10, 2019

Thanks for the answer. But i couldn't find the thread neither on search nor news&updates

Quote from Furry1

Okay, click on my name and then Recent Activity, scroll down until you see where I replied to "Fire at will! - Patch Notes July 10, 2019" and click on it from there.

Thanks mate