The curious case of proficient SAP consultants has always been one that’s spawned nothing short of perpetual interest and intellectual intrigue. SAP ERP and multiple other projects require a lot of skill even for the most well-trained of consultants. It takes focus, expertise, and constant activity to keep those skills sharp. 
Quitting a job is as hard and nightmarish as it gets. From a managerial standpoint, it’s a loss. From a human resource standpoint, it’s a catastrophe.