Splunk App for AWS: Receiving error trying to configure through generic S3

[tyenda357]

 S3ResponseError: 403 Forbidden AccessDeniedAccess Denied274336FB7AA3D266X1z8Fo0IjBc03K1Qx4Yz4y5rAHHNnwDYRTts4v0Kw5AXImSMNRNkYseR01o5Zg+s+AincSr6e18=

Error response while adding an input through generic s3 (AWS- add on)

[inawaz123]

You have to look into multiple avenues.
1. S3 access
2. IAM role permissions
3. EC2 ( Proxy settings )

It would be one of the three.

Let me know if you have resolved the issue already