I am getting below error in console -   DevTools failed to load source map: Could not load content for chrome-extension://gighmmpiobklfepjocnamgkkbiglidom/browser-polyfill.js.map: System error: net::ERR_FILE_NOT_FOUND

When i tried to author a page in edit mode it is not sowing properly, looks like style is not enabled or working. Please see screen shot and do the needful.