SOLVED: Upgrade to 0.100 - The following components and platforms could not be set up

I have updated my Hassio installation from 0.82 to 0.100 - I used the Hassio plugin beforehand to check compatibility which returned no errors.

Upon updating and loading the webpage, I have the error: image

I have no clue what the issue is.

Pastebin for configuration.yaml:

SOLVED: Figured out one of my custom components was breaking it - now to figure out which one