Macos Catalina - macOS 10.15.3 (19D76)

Domoticz
Version: 4.9701
Build Hash: b47a877f
Compile Date: 2018-06-23 15:27:56
dzVents Version: 2.4.6
Python Version: None

is this the reason for Python Version: None

Status: PluginSystem: Failed dynamic library load, install the latest libpython3.x ...

More Info.
Log File : -
2020-01-31 09:22:55.710 Status: PluginSystem: Failed dynamic library load, install the latest libpython3.x library that is available for your platform.
have Google searched but failed to find anything on the above

Is this causing the problem
(Macosx)

Macos Catalina - macOS 10.15.3 (19D76)

Domoticz
Version: 4.9701
Build Hash: b47a877f
Compile Date: 2018-06-23 15:27:56
dzVents Version: 2.4.6
Python Version: None

I have added Prowl in Settings>Notifications
Made Enabled - got key - tested - Log Shows
2020-01-31 17:50:16.885 Status: Notification ...