The role associated with your AWS Sink is not allowing Event Streams to send events There is an issue with your role
Most likely something has changed with your Role, or this is you first time using this Sink. See Error Message for more details
If this Role was working check to see if it was changed. If you need those changes you will need to create a new sink and subscription to receive your events. If this is the first time using this Sink, verify the config is correct for this sink.