All companies will need to create new general ledger accounts or financial dimensions at some point. As new accounts and dimension values are added, existing reports need to be updated to report on these new values. Missing Account Analysis will allow you to proactively check for missing accounts prior to report generation. By checking for issues across all report definitions without generating them, you will save time and be able to close your books faster.
This only works for very simple accounting structure. In FRX one could see what combination of segments was missing. This is severely missing from this version of the tool. Someone was asleep at the switch in the re-design of the utility.