Use this consolidated error code index to navigate HTTP, AWS, Azure, and GCP failures from a single technical library. Each entry links to source-backed diagnosis, root-cause patterns, and production-focused remediation steps. Start broad, then drill into provider pages, operational categories, compare guides, or incident playbooks.
62 error codes available
99 error codes available
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22 error codes available
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AWS ResourceConflictException is a deployment-time error that occurs when a Lambda function is already undergoing an update, deployment, or state transition. AW...
AWS CodeStorageExceededException is an account-level error indicating that the cumulative storage used by all Lambda deployment packages, layers, and versions h...
AWS ConditionalCheckFailedException means a DynamoDB conditional request failed because the condition expression evaluated to false (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 ItemCollectionSizeLimitExceededException means a DynamoDB item collection exceeded the 10 GB limit for a local secondary index partition key (HTTP 400).
AWS ResourceInUseException means the requested DynamoDB operation cannot be performed because the target table or index is currently being created, updated, or...
AWS TableNotFoundException indicates that the DynamoDB operation targeted a table name that does not exist in the specific AWS Region and Account provided in th...
AWS EC2AccessDeniedException means Lambda needs additional permissions to configure VPC settings for the function invoke path (HTTP 502).
AWS TransactionConflictException means a DynamoDB transactional request conflicted with another concurrent item update (HTTP 400).
AWS ENILimitReachedException means Lambda could not create an elastic network interface because ENI limits were reached during VPC setup (HTTP 502).
AWS InvalidStorageClass means the requested Amazon S3 storage class value is not valid for that operation or context (HTTP 400).
AWS SubnetIPAddressLimitReachedException means Lambda could not set up VPC access because one or more configured subnets had no available IP addresses (HTTP 502...
AWS InstanceLimitExceeded means your account reached the allowed running On-Demand capacity quota for the requested instance scope. This is a quota-capacity lim...
AWS InsufficientInstanceCapacity means there is not enough capacity to fulfill the EC2 instance request in the selected capacity pool.
AWS InvalidAMIID.NotFound means the specified AMI does not exist, is not visible in the selected region/account scope, or is blocked by image-allow criteria.