Pulse and email notifications

Hey there.

I am new to the Booking world, as I just became owner of an apartment which has been listed on Booking for a while now. We want to continue listing, I started proceedings to become new owner, until those are done, current owner has made me co admin. All went well at the start, but for a while now I don’t get Pulse or email notifications for : new reservations, new reviews, reservation cancels. If I open Pulse, I see the activity without issues, but notifications are helpful. Any idea what could have happened and how do I get them to work again. Note: I did not mess with the settings, Notifications on my phone are properly set. 
Thank you, Rares.