{"record":{"id":"66c9f59913ee836c","repo":"n8n-io/n8n","slug":"failed-to-write-sandbox-workspace-file-path","errorCode":null,"errorMessage":"Failed to write sandbox workspace file \"${path}\": ${getErrorMessage(error)}; command fallback failed: ${getErrorMessage(fallbackError)}","messagePattern":"Failed to write sandbox workspace file \"(.+?)\": (.+?); command fallback failed: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/@n8n/instance-ai/src/workspace/sandbox-setup.ts","lineNumber":376,"sourceCode":"\t\t\t\t`Failed to create sandbox workspace directory \"${path}\": ${getErrorMessage(error)}; command fallback failed: ${getErrorMessage(fallbackError)}`,\n\t\t\t);\n\t\t}\n\t}\n}\n\nasync function writeWorkspaceFile(\n\tworkspace: SandboxWorkspace,\n\tfilesystem: WorkspaceFilesystem,\n\tpath: string,\n\tcontent: string | Buffer,\n): Promise<void> {\n\ttry {\n\t\tawait filesystem.writeFile(path, content, { recursive: true });\n\t} catch (error) {\n\t\ttry {\n\t\t\tawait writeFileViaSandbox(workspace, path, content);\n\t\t} catch (fallbackError) {\n\t\t\tthrow new Error(\n\t\t\t\t`Failed to write sandbox workspace file \"${path}\": ${getErrorMessage(error)}; command fallback failed: ${getErrorMessage(fallbackError)}`,\n\t\t\t);\n\t\t}\n\t}\n}\n\nasync function readWorkspaceFile(\n\tworkspace: SandboxWorkspace,\n\tpath: string,\n): Promise<string | null> {\n\tconst filesystem = workspace.filesystem;\n\tif (filesystem?.readFile) {\n\t\ttry {\n\t\t\tconst content = await filesystem.readFile(path, { encoding: 'utf-8' });\n\t\t\treturn typeof content === 'string' ? content : content.toString('utf-8');\n\t\t} catch {\n\t\t\tif (!workspace.sandbox) return null;\n\t\t}","sourceCodeStart":358,"sourceCodeEnd":394,"githubUrl":"https://github.com/n8n-io/n8n/blob/5ac6606e81f67bb9534255570cd4e86fd8101eee/packages/@n8n/instance-ai/src/workspace/sandbox-setup.ts#L358-L394","documentation":"Error \"Failed to write sandbox workspace file \"${path}\": ${getErrorMessage(error)}; command fallback failed: ${getErrorMessage(fallbackError)}\" thrown in n8n-io/n8n.","triggerScenarios":"Thrown at packages/@n8n/instance-ai/src/workspace/sandbox-setup.ts:376 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"5ac6606e81f67bb9534255570cd4e86fd8101eee","analyzedAt":"2026-08-12T05:26:35.080Z","schemaVersion":2},"datasetVersion":"2026-08-12T18:17:37.767Z"}