catch FormatException in pay

(cherry picked from commit 0cc7017555)

ReallifeGamemode.Server/Managers/InteractionManager.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
 using GTANetworkAPI;
 using Newtonsoft.Json;
@@ -753,7 +753,16 @@ namespace ReallifeGamemode.Server.Managers
     public void InteractionMenu_Pay(Player player, string jsonNameOrId, string stringAmount)
     {
       string nameOrId = (string)JsonConvert.DeserializeObject(jsonNameOrId);
-      int amount = Int32.Parse(stringAmount);
+      int amount;
+      try
+      {
+        amount = Int32.Parse(stringAmount);
+      }
+      catch
+      {
+        player.SendNotification("~r~" + stringAmount + " ist kein gültiger Betrag.");
+        return;
+      }
       Player target = PlayerService.GetPlayerByNameOrId(nameOrId);
 
       List<Player> nearbyPlayers = NAPI.Player.GetPlayersInRadiusOfPlayer(3, player);
@@ -769,7 +778,7 @@ namespace ReallifeGamemode.Server.Managers
       }
       else if (!nearbyPlayers.Contains(target))
       {
-        player.SendNotification("~r~Dieser Spieler befindet sich nicht in deiner nähe!");
+        player.SendNotification("~r~Dieser Spieler befindet sich nicht in deiner Nähe!");
       }
       else if (player.GetUser().Handmoney < amount)
       {