Comment by carstenhag

To be honest, it sounds 100% like SAP / ABAP. A lot of terribly outdated stuff. But it can do everything you can imagine. If it can't, there's 1-2 recommended products that expand features on top of SAP.

The moment your business wants to do things a way that isn't SAP's way, you completely butcher everything though. See https://news.ycombinator.com/item?id=17541092