NaturalONE fails to connect application on EC2

[//]: # "Comment: NaturalONE on Windows fails with “TypeError: Permission Denied” while trying to connect natural running on an AWS EC2 instance

NaturalONE Adbas & Natural CE for Docker

ADABAS & NATURAL docker containers run on AWS EC2 instance[Manual show as they run on local host], instead of localhost - specified public IP of EC2 instance & port 2700 open with an inbound rule for EC2; still while running natural app - get error as “TypeError: Permission Denied”

Error messages / full error message screenshot / log file:

“TypeError: Permission Denied” from NaturalONE(on Windows desktop) while trying to run HelloWorld program against a natural application running AWS EC2 instance

*Question related to a free trial