I have a scheduled ETL package that has run for many years every night without an issue. Suddenly it has started to fail every night. I can still run it manually and it completes successfully. I thought maybe the job was corrupt so recreated it but that new job also fails. I am not finding any details on the job history - just the history that it fails on step 1 (and there is only 1 step that is very long). This package rebuilds our data warehouse. I'm not sure how to troubleshoot this.