Hi @rkp245,
I hope you are well today and thank you for your question.
Could you please check the answers provided in the following replies for the similar question?
https://colorlibsupport.com/t/hentry-markup-microformats-org-missing-author-updated/#post-20539
https://colorlibsupport.com/t/hentry-markup-microformats-org-missing-author-updated/#post-20558
Best Regards,
Movin