Error Code Portal
Node.jsNode.jsError code

ERR_NAPI_TSFN_GET_UNDEFINED

napi tsfn get undefined

What does this code mean?

Code ERR_NAPI_TSFN_GET_UNDEFINED · An issue reported by Node.js.

Official explanation · Original text

An error occurred while attempting to retrieve the JavaScript undefined value.

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