Hi @shkwaseem86 ,you have to add all relevant certificates to you abap-envornment, by using app "Maintain Certificate Trust List". See documentation https://help.sap.com/docs/btp/sap-business-technology-platform/maintain-certificate-trust-list?locale...
Many thanks goes to our exceptional instructor, @qmacro , who guided us through the day with his expertise and enthusiasm for the topic. Thanks also to the other organizers, Witalij Rudnicki and Bartek Slawinski! See u next time!