Updated to 6.0.5 (resolved some issues and patches).

src/nl/marido/deluxevouchers/DeluxeVouchers.java

@@ -25,6 +25,7 @@ public class DeluxeVouchers extends JavaPlugin {
 
 	public void onEnable() {
 		instance = this;
+		console = getServer().getConsoleSender();
 		DeluxeVouchers.enable();
 		DeluxeVouchers.events();
 		DataHandler.cacheData();

src/plugin.yml

@@ -1,13 +1,10 @@
 name: DeluxeVouchers
 main: nl.marido.deluxevouchers.DeluxeVouchers
-version: 6.0.4
+version: 6.0.5
 author: Marido
+website: https://marido.host/deluxevouchers
 description: Enhance your server with awesome customizable vouchers with a lot of features.
 commands:
  deluxevouchers:
   description: Administrator commands for the DeluxeVouchers resource.
-  aliases: [dv, deluxev, dvouchers, deluxevoucher]     
-permissions:
- deluxevouchers.admin:
-  description: 'Access to the administrator commands.'
-  default: op     
+  aliases: [dv, deluxev, dvouchers, deluxevoucher]