أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Simple answer: If you don't know then it is tough--if you know how to do then it is easy.! this apllies to everything in the world (not limited to SAP only)....Also if you face tough issues then only you will learn the subject and can become expert...so be an EXPERT!
Performing an upgrade is quite tedious.
