This document is designed aiming at the beginner level who would like to explore and learn SAP ABAP Debugging knowledge area. This is helpful for all the functional people with minimal knowledge on SAP. This version depicts towards more of practical approach towards learning various methodology, approach while debugging. This has representation of all step-by-step debugging process along with snapshot of SAP screens and exercises. All the examples in this book are written in S/4HANA 1709 version but most of them are compatible with ECC unless specifically mentioned. All SAP standard tables, programs, function modules, classes and others were considered for the examples for the benefit of readers. We recommend readers to install Kindle App for PC and read the document on PC. This would help the readers to easily copy the code and paste on the SAP screen on your PC.