Sensor Config Error

Just started seeing this:

Logger: homeassistant.config
First occurred: 11:27:27 AM (3 occurrences)
Last logged: 11:41:14 AM

Invalid config for [sensor]: required key not provided @ data['platform']. Got None. (See /config/sensor.yaml, line 5). Please check the docs at

But, here’s my /config/sensor.yaml file:
Note: the comment (#) before - platform: dnsip is an attempt to resolve the error; it didn’t help.

Your tplink config is not correct.

Awesome, thank you do much! I knew it was something silly, but I couldn’t nail it down.