{"record":{"id":"611132db514d74f3","repo":"n8n-io/n8n","slug":"node-type-not-found-611132","errorCode":"NODE_TYPE_NOT_FOUND","errorMessage":"Node type \"${nodeType}\" not found","messagePattern":"Node type \"(.+?)\" not found","errorType":"error_code","errorClass":"NodeTypeNotFoundError","httpStatus":null,"severity":"error","filePath":"packages/@n8n/ai-workflow-builder.ee/src/tools/connect-nodes.tool.ts","lineNumber":118,"sourceCode":"\t\t\t\t\t\t\ttargetNodeId: validatedInput.targetNodeId,\n\t\t\t\t\t\t\tfoundSource: !!matchedSourceNode,\n\t\t\t\t\t\t\tfoundTarget: !!matchedTargetNode,\n\t\t\t\t\t\t},\n\t\t\t\t\t};\n\t\t\t\t\treporter.error(error);\n\t\t\t\t\treturn createErrorResponse(config, error);\n\t\t\t\t}\n\n\t\t\t\t// Find node type descriptions\n\t\t\t\tconst sourceNodeType = nodeTypes.find((nt) => nt.name === matchedSourceNode!.type);\n\t\t\t\tconst targetNodeType = nodeTypes.find((nt) => nt.name === matchedTargetNode!.type);\n\n\t\t\t\tif (!sourceNodeType || !targetNodeType) {\n\t\t\t\t\tconst missingType = !sourceNodeType ? matchedSourceNode.type : matchedTargetNode.type;\n\t\t\t\t\tconst typeError = new NodeTypeNotFoundError(missingType);\n\t\t\t\t\tconst error = {\n\t\t\t\t\t\tmessage: typeError.message,\n\t\t\t\t\t\tcode: 'NODE_TYPE_NOT_FOUND',\n\t\t\t\t\t\tdetails: {\n\t\t\t\t\t\t\tsourceType: matchedSourceNode.type,\n\t\t\t\t\t\t\ttargetType: matchedTargetNode.type,\n\t\t\t\t\t\t},\n\t\t\t\t\t};\n\t\t\t\t\treporter.error(error);\n\t\t\t\t\treturn createErrorResponse(config, error);\n\t\t\t\t}\n\n\t\t\t\t// Determine connection type\n\t\t\t\treportProgress(reporter, 'Inferring connection type...');\n\n\t\t\t\tlogger?.debug('\\n=== Connect Nodes Tool ===');\n\t\t\t\tlogger?.debug(\n\t\t\t\t\t`Attempting to connect: ${matchedSourceNode.name} -> ${matchedTargetNode.name}`,\n\t\t\t\t);\n\n\t\t\t\tconst inferResult = inferConnectionType(","sourceCodeStart":100,"sourceCodeEnd":136,"githubUrl":"https://github.com/n8n-io/n8n/blob/5ac6606e81f67bb9534255570cd4e86fd8101eee/packages/@n8n/ai-workflow-builder.ee/src/tools/connect-nodes.tool.ts#L100-L136","documentation":"Error \"Node type \"${nodeType}\" not found\" thrown in n8n-io/n8n.","triggerScenarios":"Thrown at packages/@n8n/ai-workflow-builder.ee/src/tools/connect-nodes.tool.ts:118 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":"2026-08-12T13:17:24.610Z"}