{"record":{"id":"ba3873ae4f4b02a9","repo":"kubernetes/kops","slug":"error-loading-channel-q-v-ba3873","errorCode":null,"errorMessage":"error loading channel %q: %v","messagePattern":"error loading channel %q: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kops/upgrade_cluster.go","lineNumber":143,"sourceCode":"\t\tchannelLocation = kopsapi.DefaultChannel\n\t}\n\n\tvar actions []*upgradeAction\n\tif channelLocation != cluster.Spec.Channel {\n\t\tactions = append(actions, &upgradeAction{\n\t\t\tItem:     \"Cluster\",\n\t\t\tProperty: \"Channel\",\n\t\t\tOld:      cluster.Spec.Channel,\n\t\t\tNew:      channelLocation,\n\t\t\tapply: func() {\n\t\t\t\tcluster.Spec.Channel = channelLocation\n\t\t\t},\n\t\t})\n\t}\n\n\tchannel, err := kopsapi.LoadChannel(f.VFSContext(), channelLocation)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error loading channel %q: %v\", channelLocation, err)\n\t}\n\n\tvar currentKubernetesVersion *semver.Version\n\t{\n\t\tsv, err := kopsutil.ParseKubernetesVersion(cluster.Spec.KubernetesVersion)\n\t\tif err != nil {\n\t\t\tklog.Warningf(\"error parsing KubernetesVersion %q\", cluster.Spec.KubernetesVersion)\n\t\t} else {\n\t\t\tcurrentKubernetesVersion = sv\n\t\t}\n\t}\n\n\tvar proposedKubernetesVersion *semver.Version\n\tif options.KubernetesVersion != \"\" {\n\t\tproposedKubernetesVersion, err = kopsutil.ParseKubernetesVersion(options.KubernetesVersion)\n\t\tif err != nil {\n\t\t\tklog.Warningf(\"error parsing KubernetesVersion %q\", cluster.Spec.KubernetesVersion)\n\t\t}","sourceCodeStart":125,"sourceCodeEnd":161,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/cmd/kops/upgrade_cluster.go#L125-L161","documentation":"Wraps a failure of kopsapi.LoadChannel while `kops upgrade cluster` loads the release channel definition from the channel location (URL or vfs path). The channel YAML could not be fetched or parsed, so recommended versions cannot be determined.","triggerScenarios":"Thrown at cmd/kops/upgrade_cluster.go:143 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check network access to the channel URL","Verify the channel name in the cluster spec","Fall back to a stable channel like stable"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}