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Node.jsNode.jsError code

ERR_WORKER_NOT_RUNNING

worker not running

What does this code mean?

Code ERR_WORKER_NOT_RUNNING · An issue reported by Node.js.

Official explanation · Original text

An operation failed because the Worker instance is not currently running.

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