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Node.js error

ERR_MULTIPLE_CALLBACK

A callback was called more than once. A callback is almost always meant to only be called once as the query can either be fulfilled or rejected but not both at the same time.

Reference entryNode.jsFetched
This is a reference entry from Node.js documentation. A full explanation with fixes has not been written yet.

The error message

Node.js documentation lists the code ERR_MULTIPLE_CALLBACK without the printed message text.

Details

Category
Node.js error codes
Severity
error
Runtime
node

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Source: Node.js documentation. Data fetched 2026-09-25T01:43:12.379Z.