{"record":{"id":"c96ea3084b568854","repo":"dgraph-io/dgraph","slug":"unable-to-find-the-type-s-on-the-remote-schema","errorCode":null,"errorMessage":"Unable to find the type %s on the remote schema","messagePattern":"Unable to find the type (.+?) on the remote schema","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"graphql/schema/remote.go","lineNumber":570,"sourceCode":"\t\t\t\tlen(typ.Fields)+len(typ.InputFields))\n\t\t\tparam.typesToFields[typ.Name] = append(param.typesToFields[typ.Name],\n\t\t\t\ttyp.Fields...)\n\t\t\tparam.typesToFields[typ.Name] = append(param.typesToFields[typ.Name],\n\t\t\t\ttyp.InputFields...)\n\t\t\t// Expand the non scalar types.\n\t\t\tfor _, field := range param.typesToFields[typ.Name] {\n\t\t\t\tif !isGraphqlSpecScalar(field.Type.Name) {\n\t\t\t\t\t// expand this field.\n\t\t\t\t\terr := expandTypeRecursively(field.Type.NamedType(), param)\n\t\t\t\t\tif err != nil {\n\t\t\t\t\t\treturn err\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tif !typeFound {\n\t\treturn errors.Errorf(\"Unable to find the type %s on the remote schema\", typenameToExpand)\n\t}\n\treturn nil\n\n}\n\n// expandType will expand the nested type into flat structure. For eg. Country having a filed called\n// states of type State is expanded as Country and State. Scalar fields won't be expanded.\n// It also expands deep nested types.\nfunc expandType(typeToBeExpanded *gqlType,\n\tremoteTypes map[string]*types) (map[string][]*gqlField, error) {\n\tif isGraphqlSpecScalar(typeToBeExpanded.NamedType()) {\n\t\treturn nil, nil\n\t}\n\n\tparam := &expandTypeParams{\n\t\texpandedTypes: make(map[string]struct{}),\n\t\ttypesToFields: make(map[string][]*gqlField),\n\t\tremoteTypes:   remoteTypes,","sourceCodeStart":552,"sourceCodeEnd":588,"githubUrl":"https://github.com/dgraph-io/dgraph/blob/759e242be62c91f8d084da06ad0c8d21256d9c07/graphql/schema/remote.go#L552-L588","documentation":"expandTypeRecursively walks the remote GraphQL schema to flatten nested types reachable from a starting type. If a type name referenced during expansion is not present in the remote schema's type map, this error is thrown, meaning the schema and the referenced types are inconsistent (e.g. an interface, union, or nested field references a type that was never defined or was dropped).","triggerScenarios":"Calling expandType/expandTypeRecursively (via schema joining/introspection during schema generation) when a field's type or a nested/inline fragment type name (typenameToExpand) does not exist in the remote schema's types.","commonSituations":"Remote schema introspection returned an incomplete type map; a custom resolver or federation layer dropped a type; a typo in a fragment ...on TypeName for a type not in the schema; schema changed on the remote between validation and expansion.","solutions":["Fix the GraphQL query/schema so every referenced type (including fragment targets and nested field types) is defined in the remote schema.","Re-run introspection against the remote to get a complete schema (ensure the remote exposes all types, not just query roots).","Check for stale/cached remote schema copies and refresh them.","If the type is intentionally absent, remove the fields/fragments referencing it before calling expandType."],"exampleFix":"// before (fragment references type missing on remote)\nfragment F on MissingType { id }\n// after (use a type that exists in the remote schema)\nfragment F on ExistingType { id }","handlingStrategy":"validation","validationCode":"// verify all types referenced in the query exist in the remote schema before expansion\nfor _, t := range referencedTypeNames(query) {\n    if remoteSchema.Types().ForName(t) == nil {\n        return fmt.Errorf(\"type %s missing from remote schema\", t)\n    }\n}","typeGuard":"func typeExists(schema Schema, name string) bool {\n    return schema.Types().ForName(name) != nil\n}","tryCatchPattern":"types, err := expandType(remoteSchema, entrypoint)\nif err != nil {\n    if strings.Contains(err.Error(), \"Unable to find the type\") {\n        // refresh introspection / fix fragment target\n        return refreshAndRetry()\n    }\n    return err\n}","preventionTips":["Keep remote schema introspection results fresh; re-fetch after remote deploys.","Validate fragments ...on TypeName against the remote schema before expansion.","Avoid caching partial introspection outputs.","Log the missing typename from the error to pinpoint stale schema sections."],"tags":["graphql","schema","remote-schema"],"backgroundTag":"type-not-found-in-schema","analyzedSha":"759e242be62c91f8d084da06ad0c8d21256d9c07","analyzedAt":"2026-09-01T14:42:12.034Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}