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ERR_HTTP_INVALID_CHAR

http invalid char

What does this code mean?

Code ERR_HTTP_INVALID_CHAR · An issue reported by Node.js.

Official explanation · Original text

Used when an invalid character is found in an HTTP response status message (reason phrase).

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