Please see this thread When data is retrieved from remote servers (which is only possible using the script or jsonp data types), the error callbacks and global events will never be fired.   https://stackoverflow.com/questions/14370678/jquery-getjson-error-isnt-being-executed-on-404-error/14371049#14...

Is it giving any error when running this query code? or Zero results ? Please check the logs and permissions of the user logged in to run this query

Can you please provide your scheduler source code

Do you mean Content Architecture?   https://cqdump.joerghoh.de/2017/11/06/information-architecture-content-architecture/

you can upgrade to latest jQuery version in your site /vendor / * folders   please see below thread for more details https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/pen-test-vulnerabilities-for-jquery-used-by-aem/td-p/397684

Thank you @kautuk_sahni 

I followed this article - https://medium.com/adobetech/customizing-the-aem-grid-3ff9c2121a36 for customizing my AEM Grid to different break point (small, medium, large, xlarge etc)When I add a container and make this container as responsive - all components including container used to show 12 column...