Couldn't Retrieve URL

Couldn't retrieve http://buscacurso.net, and the only explanation I have is:

HTTP/1.1 500 Internal Server Error Cache-Control: no-cache, must-revalidate, max-age=0 Connection: Upgrade, close Date: Fri, 26 Apr 2024 07:53:52 GMT Upgrade: h2,h2c Server: Apache Content-Length: 2743 Content-Type: text/html; charset=UTF-8 Expires: Wed, 11 Jan 1984 05:00:00 GMT Client-Date: Fri, 26 Apr 2024 07:53:53 GMT Client-Peer: 91.121.225.179:80 Client-Response-Num: 1 Title: WordPress › Error X-Meta-Robots: max-image-preview:large, noindex, follow X-Meta-Viewport: width=device-width X-Powered-By: PHP/7.4.33 WordPress › Error

Ha habido un error crítico en esta web.

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