(BUG) This plugin generated a warning from the characteristic 'Hue'
## Verify the following before opening an trouble issue

**Go over all the following points, and put an `x` in all the boxes that apply.
If you're unsure about any of these, don't hesitate to ask. We're here to help!**

-  [X] That _OAuth_ is Enabled for the SmartApp under the IDE.
-  [X] The SmartApp and Device Handler are using the latest code available.
-  [X] That Both the SmartApps and Device Handlers have been _Published for You_ in the IDE.

---
## About Your Setup
-  How many devices are detected?:  34
-  Mobile App Version(Not required):
-  SmartApp Version: 2.3.3
-  Device Handler Version: ? 
-  Homebridge Version: 1.3.4
-  NodeJS Version:12.16.3

## Expected Behavior
**Tell us what you think should be happening**

## Current Behavior
[homebridge.log](https://github.com/tonesto7/homebridge-smartthings/files/6266700/homebridge.log)

I am receiving characteristic warnings. 


## Steps to Reproduce (for bugs)
Restart Homebridge

## Context
**How has this issue affected you? What are you trying to accomplish?
Not sure if this is related but accessories in hombride are not updating state changes. I was going to submit a bug to homebridge but I saw warnings in the smartthings log. 

**Providing context helps us come up with a solution that is most useful in the real world**

---
Please include a copy of any relevant log output to assist in tracking down the bug
