Looks like the link is incorrect. Game still starts. Just thought you might want to know.

[06Jan.2022 07:47:44.791] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: arketcrates] Starting version check at http://lfaoanl.space/mc/marketcrates/update.json [06Jan.2022 07:47:44.836] [Forge Version Check/WARN] [net.minecraftforge.fml.VersionChecker/]: Failed to process update information java.net.UnknownHostException: lfaoanl.space at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:220) ~[?:?] at java.net.Socket.connect(Socket.java:591) ~[?:?] at java.net.Socket.connect(Socket.java:540) ~[?:?] at sun.net.NetworkClient.doConnect(NetworkClient.java:182) ~[?:?] at sun.net.www.http.HttpClient.openServer(HttpClient.java:474) ~[?:?] at sun.net.www.http.HttpClient.openServer(HttpClient.java:569) ~[?:?] at sun.net.www.http.HttpClient.<init>(HttpClient.java:242) ~[?:?] at sun.net.www.http.HttpClient.New(HttpClient.java:341) ~[?:?] at sun.net.www.http.HttpClient.New(HttpClient.java:362) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1242) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1181) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1075) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1009) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1581) ~[?:?] at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509) ~[?:?] at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:527) ~[?:?] at net.minecraftforge.fml.VersionChecker$1.openUrlStream(VersionChecker.java:155) ~[?:?] at net.minecraftforge.fml.VersionChecker$1.process(VersionChecker.java:187) ~[?:?] at java.lang.Iterable.forEach(Iterable.java:75) [?:?] at net.minecraftforge.fml.VersionChecker$1.run(VersionChecker.java:139) [?:?]