Make the mute command require a positive duration

src/main/java/de/shiewk/smoderation/paper/command/MuteCommand.java

@@ -59,6 +59,9 @@ public final class MuteCommand implements CommandProvider {
     }
 
     public static void executeMute(UUID sender, UUID target, long duration, String reason) throws CommandSyntaxException {
+        if (duration == 0){
+            CommandUtil.errorTranslatable("smod.command.mute.fail.tooShort");
+        }
         if (sender.equals(target)) {
             CommandUtil.errorTranslatable("smod.command.mute.fail.self");
         } else {

src/main/resources/smoderation/translations/en_us.json

@@ -24,6 +24,7 @@
   "smod.command.mute.fail.forceReason": "Please provide a reason.",
   "smod.command.mute.fail.protect": "This player can't be muted.",
   "smod.command.mute.fail.self": "You can't mute yourself.",
+  "smod.command.mute.fail.tooShort": "You can't mute a player for less than 1ms.",
   "smod.command.offlinetp.fail.unknown": "This player's location is unknown.",
   "smod.command.offlinetp.teleporting": "<prefix>Teleporting you to <secondary><arg:0></secondary>.",
   "smod.command.socialspy.disabled": "<prefix>SocialSpy <red>disabled</red>.",