Config Error

PHP:

            $itemscfg = $this->getMain()->getItemCfg()->getNested("common.items");
            $randomitem = $itemscfg[array_rand($itemscfg)];
            $values = explode(":", $randomitem);
            $item = Item::get(intval($values[0]), intval($values[1]), intval($values[2]));
            $item->setCustomName($values[4]);


err:

PHP:

Could not pass event 'pocketmine\event\server\DataPacketReceiveEvent' to 'FormAPI v1.1': Undefined offset: 3 on jojoe77777\FormAPI\FormAPI
[06:55:21] [Server thread/CRITICAL]: ErrorException: "Undefined offset: 3" (EXCEPTION) in "CrateSystem-master/src/CrateSystem/crates/CrateManager" at line 54

config:

Code:

common:
  items:
    - "1:1:1"
    - "2:2:2:Common"

i dont want name on first one

 

It should be

PHP:

$item->setCustomName($values[3]);

 

This, also add an if statement to check if there is a custom name in config