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Node.jsNode.jsError code

ERR_INVALID_THIS

invalid this

What does this code mean?

Code ERR_INVALID_THIS · An issue reported by Node.js.

Official explanation · Original text

A Node.js API function was called with an incompatible this 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