What does "Error: Can't resolve 'react-dom/client'" mean when it says "Module not found"?

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This error message typically means that the React DOM library is not installed or cannot be found in the specified directory. It could also mean that there is a syntax error in the import statement or the file path is incorrect. To resolve this error, make sure that you have installed the React and React DOM libraries and that the file path in the import statement is correct.