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ERR_DUPLICATE_STARTUP_SNAPSHOT_MAIN_FUNCTION

duplicate startup snapshot main function

What does this code mean?

Code ERR_DUPLICATE_STARTUP_SNAPSHOT_MAIN_FUNCTION · An issue reported by Node.js.

Official explanation · Original text

v8.startupSnapshot.setDeserializeMainFunction() could not be called because it had already been called before.

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