Confluent Kafka Self managed Lambda sink connector configuration issues

@rmoff
Hello, I have watched some of your videos on setting up the Kafka-connect, I noticed that u rather want us to ask questions in forum than Youtube comments.
So far in my research I couldn’t spot what exactly wrong with configuration, trail and error lots of different configs couldn’t get there yet, hence i posted this post.
I have also seen this POST , which is close to my question, but couldn’t spot much of activity.
I have Confluent running the kafka cluster & and i am running it a EC2 machine, you can refer what configs that i am trying in the POST.