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ERR_UNSUPPORTED_ESM_URL_SCHEME

unsupported esm url scheme

What does this code mean?

Code ERR_UNSUPPORTED_ESM_URL_SCHEME · An issue reported by Node.js.

Official explanation · Original text

import with URL schemes other than file and data is unsupported.

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