Our AWS error library covers high-impact exceptions across S3, IAM, EC2, Lambda, and DynamoDB with service-specific diagnostics. Each entry is written for incident workflows using RequestId and HostId evidence, policy scope checks, and quota or regional constraint analysis.
Showing 46-60 of 81.
AWS InvalidRequest (Invalid Request) means the request is not valid for the selected S3 operation, endpoint mode, or signature configuration. In Amazon S3, this error returns HTTP 400.
AWS InvalidRequestContentException means the Lambda invoke request body cannot be parsed as JSON, or a request header value is invalid (HTTP 400).
AWS InvalidSnapshot.NotFound means the specified EBS snapshot does not exist for the account and region context of the request.
AWS InvalidStorageClass means the requested Amazon S3 storage class value is not valid for that operation or context (HTTP 400).
Amazon EC2 returns `InvalidSubnetID.NotFound` when the requested subnet ID cannot be found in the account-region context for the operation.
AWS InvalidUserID.Malformed means owner or executableBy identifiers in EC2 describe requests are invalid. In Amazon EC2, this error returns HTTP 400.
AWS InvalidViewerCertificate (Cloud Front Invalid Viewer Certificate) means the viewer certificate settings are invalid. In the CloudFront API, this error returns HTTP 400.
AWS ItemCollectionSizeLimitExceededException means a DynamoDB item collection exceeded the 10 GB limit for a local secondary index partition key (HTTP 400).
AWS LimitExceeded means the IAM request exceeds current account limits for identity objects or attachment dimensions (HTTP 409).
AWS LimitExceededException means the operation would violate a configured service limit (for example resource count, rule size, or operation concurrency). Many services return this as HTTP 400.
AWS MalformedPolicyDocument means the IAM policy document is malformed and includes syntax or structural errors (HTTP 400).
AWS MalformedQueryString means a Query API request string is syntactically invalid (for example malformed encoding or missing required query structure). In AWS common errors this is typically HTTP 404.
AWS MissingParameter (Missing Parameter) means a required parameter for the action is not supplied. In AWS APIs, this error returns HTTP 400.
AWS NoSuchBucket (No Such Bucket) means the specified bucket does not exist. In Amazon S3, this error returns HTTP 404.
AWS NoSuchDistribution means the specified CloudFront distribution does not exist in the current account scope (HTTP 404).