Logitech released software version 4.15.250 on Feb 18, 2019. You will need to update to V3.6 of this plugin to work with that Logitech version.
V4.0 is not yet tested on Vera UI5 controllers.
The Vera Plugin for interfacing with the Harmony Hub.
For more information on this plugin read the information in the Wiki https://github.com/reneboer/vera-Harmony-Hub/wiki