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.