{"record":{"id":"d1600d4b42414e06","repo":"pulumi/pulumi","slug":"the-stack-s-is-newer-than-what-this-version-of","errorCode":null,"errorMessage":"the stack '%s' is newer than what this version of the Pulumi CLI understands. Please update your version of the Pulumi CLI","messagePattern":"the stack '(.+?)' is newer than what this version of the Pulumi CLI understands\\. Please update your version of the Pulumi CLI","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/resource/stack/deployment.go","lineNumber":1230,"sourceCode":"}\n\n// FormatDeploymentDeserializationError formats deployment-related errors into user-friendly messages.\n// It handles version compatibility errors and unsupported feature errors.\nfunc FormatDeploymentDeserializationError(err error, stackName string) error {\n\tif unsupportedErr, ok := errors.AsType[*ErrDeploymentUnsupportedFeatures](err); ok {\n\t\treturn fmt.Errorf(\n\t\t\t\"the stack '%s' uses features that are not supported by this version of the Pulumi CLI: %s. \"+\n\t\t\t\t\"Please update your version of the Pulumi CLI\",\n\t\t\tstackName, strings.Join(unsupportedErr.Features, \", \"),\n\t\t)\n\t}\n\n\tswitch {\n\tcase errors.Is(err, ErrDeploymentSchemaVersionTooOld):\n\t\treturn fmt.Errorf(\"the stack '%s' is too old to be used by this version of the Pulumi CLI\",\n\t\t\tstackName)\n\tcase errors.Is(err, ErrDeploymentSchemaVersionTooNew):\n\t\treturn fmt.Errorf(\"the stack '%s' is newer than what this version of the Pulumi CLI understands. \"+\n\t\t\t\"Please update your version of the Pulumi CLI\", stackName)\n\t}\n\treturn fmt.Errorf(\"could not deserialize deployment: %w\", err)\n}\n","sourceCodeStart":1212,"sourceCodeEnd":1235,"githubUrl":"https://github.com/pulumi/pulumi/blob/793f7b2e160db4321fb7fb6b0607461e01cb251e/pkg/resource/stack/deployment.go#L1212-L1235","documentation":"The deployment's schema version is newer than ErrDeploymentSchemaVersionTooNew allows: this CLI build predates the deployment format. The message advises updating the CLI.","triggerScenarios":"Deserializing a deployment whose schema version exceeds this CLI's DeploymentSchemaCurrent (errors.Is(err, ErrDeploymentSchemaVersionTooNew)).","commonSituations":"Mixing CLI versions — a teammate or CI upgraded Pulumi and wrote state, while another environment runs an older binary; stale Docker images or vendored binaries.","solutions":["Upgrade the Pulumi CLI to at least the version that wrote the deployment (check 'pulumi version' vs the backend/UI's listed version)","Ensure CI/CD and local machines use the same CLI version","Pin the CLI version in infrastructure-as-code repos to prevent drift"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"if deployment.Version > maxSupportedSchemaVersion {\n    return errors.New(\"deployment written by newer CLI; upgrade before loading\")\n}","typeGuard":"func isSchemaTooNew(err error) bool {\n    return errors.Is(err, ErrDeploymentSchemaVersionTooNew)\n}","tryCatchPattern":"if err := deserialize(dep); err != nil {\n    if errors.Is(err, ErrDeploymentSchemaVersionTooNew) {\n        return fmt.Errorf(\"run 'pulumi version'; upgrade CLI: %w\", err)\n    }\n    return err\n}","preventionTips":["Keep all environments (CI, dev, prod images) on the same CLI version","Pin the CLI version in Dockerfiles and package managers","Check 'pulumi version' before importing stacks from teammates"],"tags":["version-compat","cli","deployment"],"backgroundTag":"cli-version-too-old","analyzedSha":"793f7b2e160db4321fb7fb6b0607461e01cb251e","analyzedAt":"2026-08-31T09:36:43.099Z","schemaVersion":2},"datasetVersion":"2026-08-31T14:17:45.589Z"}