I have a report that is scheduled to run in the evening and always fails, but if I run it manually, or schedule it during the day it works fine. I have another report that also runs during the evening doing almost the same task that seems to work fine. I've tried setting their run start times far from each other in addition to making sure no other reports were running near the same time with no luck. The error it returns is 'failed to retrieve data from database' Since this is our live database I can say with absolute certainty the database is available and functional at the time of reporting.