Error accrues:

	SQL Query: SELECT `p`.`title`, `p`.`publish_year`,`p`.`doi`, `a`.`fname`,`a`.`lname`,`a`.`job` FROM `Datamining_article` `p` 

					LEFT JOIN (SELECT `fname`,`lname`,`job`,`article_id` FROM `author` WHERE `aff_id`=? GROUP BY `article_id`) `a` ON  `p`.`id` =  `a`.`article_id`

               WHERE `p`.`id` =  `a`.`article_id` AND `p`.`publish_year`=? LIMIT 101
	Error: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away
	Code: HY000
	File: /home/uniref/public_html/db/db_dataextract.php
	Line: 287

	Trace:

#0 /home/uniref/public_html/db/db_dataextract.php(287): PDOStatement->execute()
#1 /home/uniref/public_html/modules/Universities/index.php(2041): pdoISI->get()
#2 /home/uniref/public_html/modules.php(30): include('/home/uniref/pu...')
#3 {main}