Thread:Extension talk:AWS/Could not create directory mwstore://localS3/public/reply (7)

I still can't get this to work. I'm following the instructions from the extension page and I'm getting:

Could not create directory "mwstore://s3/local-public/1/18".

I've tried all the variations in this thread too.

Also, does region matter? My S3 says: Region:	US Standard

This is what I have: