In the event of an error, I am receiving an error message rather than the text that should be displayed within my middleware. How can I resolve this issue?

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To resolve this issue, you need to catch the error within your middleware and handle it appropriately. You can use a try-catch block to catch any errors that occur in your middleware and return an appropriate response. Here is an example:

function myMiddleware(req, res, next) {
  try {
    // Your middleware logic goes here
    // If an error occurs, throw it
  } catch (error) {
    // Handle the error here and return an appropriate response
    res.status(500).json({ message: 'An error occurred' });
  }
}

By using a try-catch block, any errors that occur in your middleware will be caught and handled appropriately. You can customize the error message and status code returned to fit the needs of your application.