Unable to run main class of external jar using katalon


I am trying to run the main method that is already existing in my attached external jar. When i am trying to run the main method using class.method , some error is displayed

Thank you for the question. Could you please elaborate on the issue?

Hello @devalex88

i was in a transition of creating the post , this was accidentally created before i could explain/add more details about it and unfortunately, I do not find an option to delete my Topic.
I created another post and got my answer as well.

Thanks for the update.