Getting 503 Service Unavailable Model overloaded error continuously with 2.0 flash

Gemini API
,
1

{
“errorMessage”: “Service unavailable - try again later or consider setting this node to retry automatically (in the node settings)”,
“errorDescription”: “The model is overloaded. Please try again later.”,
“errorDetails”: {
“rawErrorMessage”: [
“503 - "{\n \"error\": {\n \"code\": 503,\n \"message\": \"The model is overloaded. Please try again later.\",\n \"status\": \"UNAVAILABLE\"\n }\n}\n"”
],
“httpCode”: “503”
},
“n8nDetails”: {
“nodeName”: “HTTP Request7”,
“nodeType”: “n8n-nodes-base.httpRequest”,
“nodeVersion”: 4.2,
“itemIndex”: 0,
“time”: “7/14/2025, 11:35:36 PM”,
“n8nVersion”: “1.85.4 (Cloud)”,
“binaryDataMode”: “filesystem”,
“stackTrace”: [
“NodeApiError: Service unavailable - try again later or consider setting this node to retry automatically (in the node settings)”,
" at ExecuteContext.execute (/usr/local/lib/node_modules/n8n/node_modules/n8n-nodes-base/dist/nodes/HttpRequest/V3/HttpRequestV3.node.js:525:33)“,
" at processTicksAndRejections (node:internal/process/task_queues:95:5)”,
" at WorkflowExecute.runNode (/usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:681:27)“,
" at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:913:51”,
" at /usr/local/lib/node_modules/n8n/node_modules/n8n-core/dist/execution-engine/workflow-execute.js:1246:20"
]
}
}

3

Hi @sinchana_H_C , welcome to the forum.

Thanks for bringing this to our attention. We have noted it and escalated it to the engineering team. We are currently monitoring a similar case in another discussion.