{"id":"ec2-client-internal-error-means-kms-key-issue","text":"The termination reason `Client.InternalError: Client error on launch` indicates missing KMS key permissions on encrypted EBS volumes.","truth_value":"IN","source":"entries/2026/03/11/AWSEC2-latest-UserGuide-troubleshooting-launchhtml.md","source_url":"","source_hash":"37542050e5886363","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"ec2-client-internal-error-means-kms-key-issue","truth_value":"IN","reason":"premise"}]}}