Check for empty baseurl

src/Network/Probe.php

@@ -2044,6 +2044,10 @@ class Probe
 	 */
 	private static function updateFromNoScrape(array $data)
 	{
+		if (empty($data['baseurl'])) {
+			return '';
+		}
+
 		// Check the 'noscrape' endpoint when it is a Friendica server
 		$gserver = DBA::selectFirst('gserver', ['noscrape'], ["`nurl` = ? AND `noscrape` != ''",
 			Strings::normaliseLink($data['baseurl'])]);