WCF::handleException() Unhandled exception: syntax error, unexpected token "return"

#0 /home/zyres33sa/public_html/board/wcf/lib/data/spider/SpiderList.class.php(15): wcf\system\WCF::autoload()
#1 /home/zyres33sa/public_html/board/wcf/lib/system/WCF.class.php(647): require_once('/home/zyres33sa...')
#2 /home/zyres33sa/public_html/board/wcf/lib/system/cache/builder/SpiderCacheBuilder.class.php(20): wcf\system\WCF::autoload()
#3 /home/zyres33sa/public_html/board/wcf/lib/system/cache/builder/AbstractCacheBuilder.class.php(40): wcf\system\cache\builder\SpiderCacheBuilder->rebuild()
#4 /home/zyres33sa/public_html/board/wcf/lib/system/session/SessionHandler.class.php(980): wcf\system\cache\builder\AbstractCacheBuilder->getData()
#5 /home/zyres33sa/public_html/board/wcf/lib/system/session/SessionHandler.class.php(472): wcf\system\session\SessionHandler->getSpiderID()
#6 /home/zyres33sa/public_html/board/wcf/lib/system/session/SessionHandler.class.php(177): wcf\system\session\SessionHandler->create()
#7 /home/zyres33sa/public_html/board/wcf/lib/system/session/ACPSessionFactory.class.php(28): wcf\system\session\SessionHandler->load()
#8 /home/zyres33sa/public_html/board/wcf/lib/system/WCF.class.php(345): wcf\system\session\ACPSessionFactory->load()
#9 /home/zyres33sa/public_html/board/wcf/lib/system/WCF.class.php(143): wcf\system\WCF->initSession()
#10 /home/zyres33sa/public_html/board/wcf/global.php(25): wcf\system\WCF->__construct()
#11 /home/zyres33sa/public_html/board/global.php(13): require_once('/home/zyres33sa...')
#12 /home/zyres33sa/public_html/board/index.php(9): require_once('/home/zyres33sa...')
#13 {main}