Tracking the energy usage of Air Conditioner unit

[Arise]

Added the following to my energy dashboard, but I get errors:

Unexpected device class
The following entities do not have the expected device class:
sensor.room_air_conditioner_deltaenergy
Last reset missing
The following entities have state class 'measurement' but 'last_reset' is missing:
sensor.room_air_conditioner_deltaenergy
Entity not defined
Check the integration or your configuration that provides:
sensor.room_air_conditioner_energysaved
Unexpected device class
The following entities do not have the expected device class:
sensor.room_air_conditioner_powerenergy
Last reset missing
The following entities have state class 'measurement' but 'last_reset' is missing:
sensor.room_air_conditioner_powerenergy