Cus­tom code remains a core oper­a­tional real­i­ty for many SAP cus­tomers, even as orga­ni­za­tions move toward S/4HANA, clean core prin­ci­ples, and AI-enabled mod­ern­iza­tion. This research report explores how SAP cus­tomers are nav­i­gat­ing the next stage of cus­tom code trans­for­ma­tion, where the focus is shift­ing from migra­tion plan­ning to exe­cu­tion, gov­er­nance, inte­gra­tion, and long-term life­cy­cle management.

The report address­es key chal­lenges around test­ing, doc­u­men­ta­tion, inte­gra­tion errors, clean core dis­ci­pline, and the grow­ing role of automa­tion and AI. It is designed for IT, SAP, enter­prise archi­tec­ture, appli­ca­tion devel­op­ment, and trans­for­ma­tion lead­ers who need to reduce tech­ni­cal debt, sup­port mod­ern­iza­tion goals, and make smarter deci­sions about cus­tom code in evolv­ing SAP environments.