What are the challenges faced during the migration from ECC to SAP S/4 HANA as an ABAPer?1. Reports/Interfaces/Enhancements/DDICs/IDocs/Output Types/BAPIs/RFCs etc2. In the S/4 HANA cloud Select on database table would result in error. Database table...

I wanted to do SAP BTP Certification as an Individual. Does SAP offer any Discounts.Experts are welcome to pour in their views and suggestions!