Ecshop Vietnam Application Error

The application could not run because of the following error:

Type: E_NOTICE [8]

Message: Undefined offset: 1 in /home/kesatth1/public_html/includes/lib_goods.php

Line: 579

Stack trace:

#0 /home/kesatth1/public_html/includes/lib_goods.php(579): ErrorHandler->handleError(8, 'Undefined offse...', '/home/kesatth1/...', 579, Array)
#1 /home/kesatth1/public_html/modules/goods.php(36): get_goods_info(364)
#2 /home/kesatth1/public_html/index.php(26): include_once('/home/kesatth1/...')
#3 {main}