Version 5.4

minecraft/kubejs/server_scripts/debug/freeze_server.js

@@ -0,0 +1,8 @@
+let shouldFreeze = false // set this to true if you need to debug something on your world
+
+if (shouldFreeze) {
+  ServerEvents.loaded(event => {
+	  event.server.tell("Starting server frozen...")
+	  event.server.runCommandSilent("tick freeze")
+  })	
+}