{"record":{"id":"2e2fbb5a8c5dfd2b","repo":"n8n-io/n8n","slug":"no-code-for-execute-set-on-node-this-getnode","errorCode":null,"errorMessage":"No code for \"Execute\" set on node \"${this.getNode().name}","messagePattern":"No code for \"Execute\" set on node \"(.+?)","errorType":"exception","errorClass":"NodeOperationError","httpStatus":null,"severity":"error","filePath":"packages/@n8n/nodes-langchain/nodes/code/Code.node.ts","lineNumber":419,"sourceCode":"\t\t\t\t\t\t\t\tnoDataExpression: true,\n\t\t\t\t\t\t\t\tdefault: '',\n\t\t\t\t\t\t\t\trequired: true,\n\t\t\t\t\t\t\t\tdescription: 'The type of the input',\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t],\n\t\t\t\t\t},\n\t\t\t\t],\n\t\t\t},\n\t\t],\n\t};\n\n\tasync execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {\n\t\tconst itemIndex = 0;\n\n\t\tconst code = this.getNodeParameter('code', itemIndex) as { execute?: { code: string } };\n\n\t\tif (!code.execute?.code) {\n\t\t\tthrow new NodeOperationError(\n\t\t\t\tthis.getNode(),\n\t\t\t\t`No code for \"Execute\" set on node \"${this.getNode().name}`,\n\t\t\t\t{\n\t\t\t\t\titemIndex,\n\t\t\t\t},\n\t\t\t);\n\t\t}\n\n\t\tconst sandbox = getSandbox.call(this, code.execute.code, { addItems: true, itemIndex });\n\n\t\tconst outputs = this.getNodeOutputs();\n\t\tconst mainOutputs: INodeOutputConfiguration[] = outputs.filter(\n\t\t\t(output) => output.type === NodeConnectionTypes.Main,\n\t\t);\n\n\t\tconst options = { multiOutput: mainOutputs.length !== 1 };\n\n\t\tlet items: INodeExecutionData[] | INodeExecutionData[][];","sourceCodeStart":401,"sourceCodeEnd":437,"githubUrl":"https://github.com/n8n-io/n8n/blob/5ac6606e81f67bb9534255570cd4e86fd8101eee/packages/@n8n/nodes-langchain/nodes/code/Code.node.ts#L401-L437","documentation":"Thrown by the Code node (langchain variant) when the 'code' parameter's execute.code is missing or empty. The node runs a user-supplied JavaScript 'execute' function in a sandbox; if that function's source is blank, there is nothing to run.","triggerScenarios":"The Code node's 'JavaScript' (execute) code editor is empty, or the code parameter object exists but its .execute.code property is falsy. The guard throws before sandbox construction.","commonSituations":"User added a Code node but never wrote the execute function; the code was cleared by a bad import; the node was duplicated from a template that had empty code; a programmatic workflow generator emitted a code node without code.","solutions":["Open the Code node and write a valid execute function, e.g. `async function execute(items) { for (const item of items) { item.json.result = 1; } return items; }`.","If importing a workflow, ensure the code field was included in the import payload.","Select a Code node template from the node's templates panel to get a valid starting point."],"exampleFix":"// before\nif (!code.execute?.code) {\n  throw new NodeOperationError(this.getNode(), `No code for \"Execute\" set on node \"${this.getNode().name}`, { itemIndex });\n}\n\n// after — clearer instruction with a minimal example\nif (!code.execute?.code?.trim()) {\n  throw new NodeOperationError(this.getNode(), {\n    message: `No code for \"Execute\" set on node \"${this.getNode().name}\".`,\n    description: 'Add a function like: async function execute(items) { return items; }',\n    itemIndex,\n  });\n}","handlingStrategy":"validation","validationCode":"const code = ctx.getNodeParameter('code', 0) as { execute?: { code?: string } };\nif (!code.execute?.code?.trim()) {\n  throw new Error('Code node has no execute function. Add: async function execute(items) { return items; }');\n}","typeGuard":"function hasExecuteCode(c: unknown): c is { execute: { code: string } } {\n  return !!c && typeof (c as any)?.execute?.code === 'string' && (c as any).execute.code.trim().length > 0;\n}","tryCatchPattern":null,"preventionTips":["Always write a valid execute function in the Code node before running.","Use a node template as a starting point.","Validate workflow imports include the code field."],"tags":["configuration","code-node","parameter-validation"],"backgroundTag":null,"analyzedSha":"5ac6606e81f67bb9534255570cd4e86fd8101eee","analyzedAt":"2026-08-12T05:26:35.080Z","schemaVersion":2},"datasetVersion":"2026-08-12T13:17:24.610Z"}