>> Copy all the files in the update folder to your existing script.
>> Make sure you copy the vendor folder also from the root file to update the existing vendor folder.
>> Open the sql folder in import the sql to your phpmyadmin.
>> In your phpmyadmin please go tho zd_items and create a new struture name 'item_storage' set to int and default value of 0
?? Test your application should be working fine.
>> Done.