CloudFormation S3 Bucket Policy invalid action error

Question

I am getting following exception Policy invalid action on s3 bucket policy.

I have following actions:

• ListObjects
• GetObject
• PutObject

Answer 1

The error is probably because ListObjects is not a valid action for policy use.

Valid List* actions for S3 from policy generator:

And also from IAM console:

Also AccountIds could cause problems, but its form is not shown in your question.