Amazon Alexa Skill Intermittent Failure on Scenes only

I have an issue with using hubitat scenes (as opposed to groups).

Devices and groups work perfectly without fail.

Scene's work perfectly until sometimes hours or days later when it fails to work (Echo sits there doing nothing and then the light goes out without an error).

When the scene fails, every device in the scene still continues to work from Amazon Alexa perfectly.

If I uncheck the scene and re-check the scene and click update on the Amazon Echo Skill built-in app, it fixes it temporarily and if I wait hours or another day, it may work on its own.

Its hard to tell, but I can definately say it is ONLY the scene that intermittently fails.

I have tried deleting and re-creating the scene and it did not help.