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ERR_WORKER_UNSUPPORTED_OPERATION

worker unsupported operation

What does this code mean?

Code ERR_WORKER_UNSUPPORTED_OPERATION · An issue reported by Node.js.

Official explanation · Original text

The requested functionality is not supported in worker threads.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Errors | Node.js v26.13.1 Documentation ↗

Creator: Node.js contributors; Joyent, Inc. and other Node contributors
License: MIT License (Node.js documentation)
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

Source details · Original licenses and notices