{"record":{"id":"65b36c1fed32ba87","repo":"AlistGo/alist","slug":"lark-export-download-response-missing-file","errorCode":null,"errorMessage":"lark export download response missing file","messagePattern":"lark export download response missing file","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"drivers/lark/other.go","lineNumber":245,"sourceCode":"}\n\nfunc (c *Lark) DownloadExportFile(ctx context.Context, fileToken string) (io.Reader, string, error) {\n\tfileToken = strings.TrimSpace(fileToken)\n\tif fileToken == \"\" {\n\t\treturn nil, \"\", errors.New(\"file_token is required\")\n\t}\n\tresp, err := doDrive(ctx, c, func(opts ...larkcore.RequestOptionFunc) (*larkdrive.DownloadExportTaskResp, error) {\n\t\treturn c.client.Drive.V1.ExportTask.Download(ctx,\n\t\t\tlarkdrive.NewDownloadExportTaskReqBuilder().FileToken(fileToken).Build(), opts...)\n\t})\n\tif err != nil {\n\t\treturn nil, \"\", err\n\t}\n\tif !resp.Success() {\n\t\treturn nil, \"\", larkAPIError(resp)\n\t}\n\tif resp.File == nil {\n\t\treturn nil, \"\", errors.New(\"lark export download response missing file\")\n\t}\n\treturn resp.File, resp.FileName, nil\n}\n\nfunc larkExportType(name string) (string, error) {\n\tswitch {\n\tcase strings.HasSuffix(name, \".lark-doc\"):\n\t\treturn larkdrive.TypeDoc, nil\n\tcase strings.HasSuffix(name, \".lark-docx\"):\n\t\treturn larkdrive.TypeDocx, nil\n\tcase strings.HasSuffix(name, \".lark-sheet\"):\n\t\treturn larkdrive.TypeSheet, nil\n\tcase strings.HasSuffix(name, \".lark-bitable\"):\n\t\treturn larkdrive.TypeBitable, nil\n\tdefault:\n\t\treturn \"\", fmt.Errorf(\"unsupported lark export file type: %s\", name)\n\t}\n}","sourceCodeStart":227,"sourceCodeEnd":263,"githubUrl":"https://github.com/AlistGo/alist/blob/843d9dc8149126976b2625911e45a4d3ffd6f2f5/drivers/lark/other.go#L227-L263","documentation":"Error \"lark export download response missing file\" thrown in AlistGo/alist.","triggerScenarios":"Thrown at drivers/lark/other.go:245 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify the referenced file/path/ID exists and is correct, then retry the operation."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"843d9dc8149126976b2625911e45a4d3ffd6f2f5","analyzedAt":"2026-08-15T12:14:11.722Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}