ABAP is used in the ERP systems domain. Once you try to do things outside of those abstractions it becomes difficult or even impossible. This is what basically

ABAP is used in the ERP systems domain. Once you try to do things outside of those abstractions it becomes difficult or even impossible. This is what basically suffocated the 4GLs of the 1990s. They were too constrained and at the edges problems tend to require unanticipated functionality. It is the non-functional requirements that cause the most implementation problems.