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Node.js error

ERR_WORKER_HANDLE_NOT_TRANSFERABLE

An attempt was made to transfer a net.Socket, net.Server or net.BoundSocket to another thread via a worker_threads postMessage() call while it was not in a transferable state, for example because it had already started reading, had buffered data, or had already been adopted.

Reference entryNode.jsFetched

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

Category
Node.js error codes
Severity
error
Runtime
node
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Source: Node.js documentation. Data fetched 2026-09-25T01:43:12.380Z.