PHP Page Error

ERROR TYPE: E_EXCEPTION
MESSAGE: Row index (0) is out of bounds
SITE PAGE: https://www.ltms.com/product/med-aire-essential-8quot-alternating-pressure-and-low-air-loss-mattress-system
LOCATION: C:\inetpub\ltms.com\VPanel\library\classes\database\class_datatable.php
LINE NUMBER: 125
USER AGENT: CCBot/2.0 (https://commoncrawl.org/faq/)
OPERATING SYSTEM: unknown
BROWSER: unknown unknown
MOBILE: No
ROBOT: No
IP ADDRESS: 54.146.98.143
ERROR TIME: May 20, 2019 11:36 am

--------------------------------------------------------------------------- PHP STACK TRACE ---------------------------------------------------------------------------
#0 C:\inetpub\ltms.com\modules\ecommerce\product.php(35): DataTable->__get('cat_parent_id')
#1 C:\inetpub\ltms.com\library\functions.php(389): require_once('C:\\inetpub\\ltms...')
#2 C:\inetpub\ltms.com\handlers\request_handler.php(37): serverTransfer('/modules/ecomme...')
#3 {main}