Ecshop Vietnam Application Error

The application could not run because of the following error:

Type: E_WARNING [2]

Message: file_put_contents(): Only 0 of 157 bytes written, possibly out of free disk space in /home/kesatth1/public_html/includes/cls_mysqli.php

Line: 262

Stack trace:

#0 [internal function]: ErrorHandler->handleError(2, 'file_put_conten...', '/home/kesatth1/...', 262, Array)
#1 /home/kesatth1/public_html/includes/cls_mysqli.php(262): file_put_contents('/home/kesatth1/...', 'INSERT INTO `ke...', 8)
#2 /home/kesatth1/public_html/includes/cls_session.php(131): cls_mysqli->query('INSERT INTO `ke...')
#3 /home/kesatth1/public_html/includes/cls_session.php(114): cls_session->insert_session()
#4 /home/kesatth1/public_html/includes/cls_session.php(102): cls_session->gen_session_id()
#5 /home/kesatth1/public_html/includes/cls_session.php(31): cls_session->cls_session(Object(cls_mysqli), '`kesatth1_mhsta...', '`kesatth1_mhsta...', 'ECS_ID', '')
#6 /home/kesatth1/public_html/includes/init.php(154): cls_session->__construct(Object(cls_mysqli), '`kesatth1_mhsta...', '`kesatth1_mhsta...')
#7 /home/kesatth1/public_html/index.php(22): require_once('/home/kesatth1/...')
#8 {main}