Unfortunately, the provided text is not a complex news article but rather a generic error message from a website. It does not contain any specific information that requires simplification.
If you could provide the actual text of the complex news article you’d like me to simplify, I’ll be happy to assist you in creating a concise and engaging version.
Source: https://pix11.com/news/local-news/new-jersey/measles-case-confirmed-in-new-jersey-health-officials-investigating