Fixing exceptions occuring in test and event arena

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Main/src/de/steamwar/fightsystem/fight/Fight.java

@@ -114,6 +114,12 @@ public class Fight {
     }
 
     public static void calcAvailibleSchemTypes() {
+        if(redTeam.getLeader() == null  || redTeam.getLeader().getPlayer() == null ||
+           blueTeam.getLeader() == null || blueTeam.getLeader().getPlayer() == null){
+            onlyPublicSchems = false;
+            return;
+        }
+
         onlyPublicSchems = (Schematic.getSchemsOfType(redTeam.getLeader().getPlayer().getUniqueId(), Config.SchematicType).isEmpty() ||
                             Schematic.getSchemsOfType(blueTeam.getLeader().getPlayer().getUniqueId(), Config.SchematicType).isEmpty());
     }