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.
48 error codes available
81 error codes available
43 error codes available
20 error codes available
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Azure Blob service returns `LeaseIdMissing` when an operation requiring an active lease ID is sent without that lease header.
Azure returns `VMSSInstanceNotFound` when a requested scale set VM instance ID cannot be resolved in the target scale set context.
Microsoft Entra ID returns `AADSTS700016` when the client application identifier cannot be found in the target tenant directory.
Azure returns `VMOSDiskNotFound` when a VM deployment references an OS managed disk identifier that cannot be resolved in the active scope.
Azure Table service returns `TableNotFound` when the target table name does not exist in the addressed storage account endpoint.
Azure returns `VMExtensionNotFound` when a VM operation references an extension resource name that does not exist on the target VM.
Microsoft Entra or Microsoft Graph returns `AADServicePrincipalNotFound` when the requested service principal object cannot be resolved in the active tenant.
GCP PERMISSION_DENIED means the caller identity is recognized, but IAM or policy controls block the requested action on the target resource.
GCP UNAUTHENTICATED means the request does not include valid authentication credentials for the requested Google Cloud API operation.
GCP NOT_FOUND means the requested entity cannot be resolved in the specified project, location, or parent resource namespace.
GCP ALREADY_EXISTS means a create call attempted to use a resource identity that is already present in the target namespace.
GCP INVALID_ARGUMENT means request input is malformed or violates API constraints, independent of current resource state.
GCP FAILED_PRECONDITION means the operation cannot run because required resource or workflow state is not currently satisfied.
GCP RESOURCE_EXHAUSTED means a quota, rate limit, or finite backend capacity was exhausted for the request.
GCP OUT_OF_RANGE means input is structurally valid but falls outside current valid bounds for the resource or iterator state.