Disabling notifications from S Planner results in notifications that you have disabled notifications *facepalm

I have tried to disable my S Planner because I use an alternative calendar app. Now that I have turned off notifications I get the same notification constantly (reappears almost instantly after cleared) informing me that I have disabled notifications. Yes, a notification from the app to let me know I have disabled notifications. Face palm and wtf. Probably the most annoying thing I have ever encountered on Android. The indestructible Message Reads: "S Planner noti. not shown To receive notifications from S Planner, tap SETTINGS, go to App info > Permissions, then allow the following permissions: Calendar" I have disabled everything all permissions, notifications, default settints, stopped the app, even restricted its use to wifi. I have tried to do my due diligence and look for a post that answers this question but could not find it, if such a post exists kindly link to it. Thanks