I believe what @jkp is alluding to is the use of a buffering device to ensure the messages are delivered from your lock to your hub. This is a common issue and described in more detail on this topic: FAQ: why would I need another beaming repeater if my zwave lock is already close to my hub?
Since you have a BE469ZP you may want to check out his device handler to access some of its advanced features. [RELEASE] Universal Enhanced Z-Wave Lock Device Handler
and also this app which allows you to customize notifications per user amongst other features the smart locks apps can’t do: [RELEASE] Lock User Management (LUM)