Hi @dipendu_g I've added comments there, have a look, the following
worked for me to load a
delivery.https://experienceleaguecommunities.adobe.com/t5/adobe-campaign-classic-questions/scm-120008-unable-to-find-key-values-for-element-condition/m-p/460897/highlight/true#M15687:~:text=Have%20you%20tried%20the%20following%3A
Please be aware that using load function is memory intensive and NEVER
EVER use it in a loop that you don't control the number of records in
the loop, you will end up getting out...