"Failed Executions" page is located in administrative section. Jira Administrators can find there insights about not executed scheduled jobs - all in one place. This page goal is to help you self troubleshoot those issues. Along the way we also improved error logging mechanisms.
There is a button which allows administrators to clean the view (of course after they fix those issues), your goal should be to keep it clean and running without any errors
Failed Execution page in Jira Cloud
Server, Data Center
Search section allows you to filter results from columns: Scheduled Job and Error message. You
Failed Execution History in Jira Server/Data Center