Fixing Material not found

SpigotCore_Main/src/de/steamwar/inventory/SWItem.java

@@ -30,12 +30,16 @@ public class SWItem {
     }
 
     public static Material getMaterial(String material){
+        try{
             switch(Core.getVersion()){
                 case 14:
                     return SWItem_v14.getMaterial(material);
                 default:
                     return SWItem_v12.getMaterial(material);
             }
+        }catch(IllegalArgumentException e){
+            return Material.STONE;
+        }
     }
 
     public static Material getDye(int colorCode){

SpigotCore_Main/src/de/steamwar/sql/SteamwarUser.java

@@ -32,7 +32,7 @@ public class SteamwarUser {
 			id = rs.getInt("id");
 			uuid = java.util.UUID.fromString(rs.getString("UUID"));
 			userName = rs.getString("UserName");
-			userGroup = de.steamwar.sql.UserGroup.valueOf(rs.getString("UserGroup"));
+			userGroup = UserGroup.valueOf(rs.getString("UserGroup"));
 			team = rs.getInt("Team");
 
 			byUUID.put(uuid, this);