Not sure what to do with this error.

Here's the log of my console:

[Deprecation] Styling master document from stylesheets defined in HTML Imports is deprecated, and is planned to be removed in M65, around March 2018. Please refer to https://goo.gl/EGXzpw for possible migration paths.
api/v1/logdiff/ Failed to load resource: the server responded with a status of 404 ()
2build.chromium.org/p/chromium/all_rotations.js Failed to load resource: the server responded with a status of 404 (Not Found)
chromium:1 Failed to load https://build.chromium.org/p/chromium/all_rotations.js: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://sheriff-o-matic.appspot.com' is therefore not allowed access. The response had HTTP status code 404.
2build.chromium.org/p/chromium/current_trooper.txt Failed to load resource: the server responded with a status of 404 (Not Found)
chromium:1 Failed to load https://build.chromium.org/p/chromium/current_trooper.txt: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://sheriff-o-matic.appspot.com' is therefore not allowed access. The response had HTTP status code 404.
chromium Failed to load resource: net::ERR_NETWORK_CHANGED
sheriff-o-matic.appspot.com/ Failed to load resource: net::ERR_NETWORK_CHANGED
 

Deleted: Screenshot 2017-12-04 at 11.20.57 AM.png 268 KB

	Screenshot 2017-12-04 at 11.20.57 AM.png 268 KB View Download