[Error] [GitHub.copilot-chat] unhandlederror-Task API request failed: 503 Service Unavailable
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Description
## Error Message
````
unhandlederror-Task API request failed: 503 Service Unavailable
````
## Stack Trace
at SXe._request (../src/extension/chatSessions/vscode-node/taskApiBackend.ts:574:9)
at process.processTicksAndRejections (node::104:5) [not deminified]
at async SXe.listTasks (../src/extension/chatSessions/vscode-node/taskApiBackend.ts:598:19)
at async kXe.fetchSessionList (../src/extension/chatSessions/vscode-node/taskApiBackend.ts:291:20)
at async Studio Studio :571:33001) [not deminified]
Raw Stack Trace (minified)
````
TaskApiError: Task API request failed: 503 Service Unavailable at SXe._request ( Studio /Resources/app/extensions/copilot/dist/extension.js:3164:25443) at process.processTicksAndRejections (node::104:5) at async SXe.listTasks ( Studio /Resources/app/extensions/copilot/dist/extension.js:3164:25929) at async kXe.fetchSessionList ( Studio /Resources/app/extensions/copilot/dist/extension.js:3164:20165) at async Studio /Resources/app/extensions/copilot/dist/extension.js:3167:19074 at async Object.refreshHandler ( Studio :571:33001)
````
## Details
| Property | Value |
| --- | --- |
| Bucket ID | [`75369086-73be-a43e-da2b-e6dced2953ac`](https://errors.code.visualstudio.com/bucket/75369086-73be-a43e-da2b-e6dced2953ac?product=VSCode&extension=GitHub.copilot-chat&commit=110a328ea54b42367b803ec53ee0bf52ef26b419) |
| Extension Version | 0.61.0 |
| Last Seen | Tue Aug 18 2026 22:46:57 GMT+0000 (Coordinated Universal Time) |
| Platforms | darwin |
| Product | VSCode |
---
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