Error Code Portal
Node.jsNode.jsError code

ERR_CRYPTO_CUSTOM_ENGINE_NOT_SUPPORTED

crypto custom engine not supported

What does this code mean?

Code ERR_CRYPTO_CUSTOM_ENGINE_NOT_SUPPORTED · An issue reported by Node.js.

Official explanation · Original text

An OpenSSL engine was requested (for example, through the clientCertEngine or privateKeyEngine TLS options) that is not supported by the version of OpenSSL being used, likely due to the compile-time flag OPENSSL_NO_ENGINE.

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