New phone yeah. This my favorite app UGHHH. Sent several logs sent email requesting help and no response. It will not alarm, it erases repetitive alarms, because I must not need them, sigh. There are more issues but I think uninstalling is the right answer. Going to miss the ability to shake my purse to stop alarm while driving 1/29/2019 I miss my CER soooooo much. Finally uninstalled several months ago as it was somehow not only losing alarms but was causing (don't ask me how) multiples of same
Calendar Event Reminder (CER) at Google Play market analyse