Getting error signing in on Smart App
## 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!**

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

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## About Your Setup
-  How many devices are detected?:0
-  Mobile App Version(Not required):1.6.52-437
-  SmartApp Version:
-  Device Handler Version:
-  Homebridge Version:
-  NodeJS Version:14.15.0

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

Login to the Smartapp

## Current Behavior
**What happens instead of the expected behavior?**
Getting error logging into the Smartapp 

## Steps to Reproduce (for bugs)
**Provide a link to a live example, or an unambiguous set of steps to reproduce this bug. Include code to reproduce, if relevant**

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## Context
**How has this issue affected you? What are you trying to accomplish? I cannot setup all my Smartthings
![IMG_1272](https://user-images.githubusercontent.com/73798162/97909772-f8bb5280-1d05-11eb-8f5c-db20568d8918.PNG)

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

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