Fixed exception occurring when an NPC has no jobs that can be assigned to the player

Fixed an issue that caused killing jobs not to work without relogging first

Server/src/main/java/core/game/node/entity/Entity.java

@@ -178,13 +178,7 @@ public abstract class Entity extends Node {
 	 */
 	public void unhook(EventHook hook)
 	{
-		GameWorld.getPulser().submit(new Pulse() {
-			@Override
-			public boolean pulse() {
-				for(ArrayList<EventHook> s : hooks.values()) s.remove(hook);
-				return true;
-			}
-		});
+		for(ArrayList<EventHook> s : hooks.values()) s.remove(hook);
 	}
 
 	/**

Server/src/main/kotlin/rs09/game/content/jobs/WorkForInteractionListener.kt

@@ -5,6 +5,7 @@ import SlayingJob
 import api.*
 import api.events.EventHook
 import api.events.NPCKillEvent
+import core.game.content.dialogue.FacialExpression
 import core.game.node.entity.Entity
 import core.game.node.entity.npc.NPC
 import core.game.node.entity.player.Player
@@ -85,9 +86,20 @@ class WorkForInteractionListener : InteractionListener, LoginListener {
 
             val type = typeMap[node.id] ?: return@on false
             jobId = if(type == 0) {
-                var job = gatheringMap[node.id]?.filter { checkRequirement(player, it) }?.random()
-                amount = job?.getAmount() ?: 0
-                job?.ordinal ?: 0
+                val job = gatheringMap[node.id]?.filter { checkRequirement(player, it) }?.randomOrNull()
+
+                if (job == null) {
+                    sendNPCDialogue(
+                        player,
+                        node.id,
+                        "I'm sorry, I don't currently have any jobs that you're qualified for.",
+                        FacialExpression.HALF_THINKING
+                    )
+                    return@on true
+                }
+
+                amount = job.getAmount()
+                job.ordinal
             } else {
                 SlayingJob.values().random().ordinal.also { amount = SlayingJob.values()[it].getAmount() }
             }