Modules errors

Browse documented modules errors, error messages, troubleshooting explanations, and fixes across products, tools, and platforms.

These pages help users compare related error messages, common causes, and how-to-fix steps across different tools that fail in the same way.

Modules errors are often searched as exact messages or short problem phrases, so this hub is designed to work as both a documentation browse surface and a search landing area.

The pages in this category focus on what the error means, what usually causes it, and which checks help narrow the issue fastest across different products and platforms.

JavaScript Node.js

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SyntaxError: import declarations may only appear at top level of a module

JavaScript import declaration is not at the top level of a moduleJavaScript

ERR_PACKAGE_PATH_NOT_EXPORTED

Node.js blocked access to a package subpath that is not exportedNode.js

ERR_MODULE_NOT_FOUND

Node.js could not resolve the requested moduleNode.js

ERR_REQUIRE_ESM

Node.js require tried to load an ES moduleNode.js