Fatal error: PHP error in file /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/verbind.php (4): mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

Information:

error message: PHP error in file /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/verbind.php (4): mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
error code: 0
file: /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/WCF.class.php (255)
php version: 5.6.40
wcf version: 1.0.11 pl 3 (Horizon)
date: Sun, 21 Jul 2019 00:22:49 +0000
request: /index.php?page=User&userID=35490&s=58f13c6f520d74a9a9f2d310ce00eb85f39f1729
referer:

Stacktrace:

#0 [internal function]: WCF::handleError(8192, 'mysql_connect()...', '/homepages/8/d2...', 4, Array)
#1 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/verbind.php(4): mysql_connect('localhost:/tmp/...', 'dbo298799492', 'Cfg84p8B')
#2 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/mitte.php(3): include('/homepages/8/d2...')
#3 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/lib/data/boxes/wbb3addonsBox05.class.php(19) : eval()'d code(1): include('/homepages/8/d2...')
#4 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/lib/data/boxes/wbb3addonsBox05.class.php(19): eval()
#5 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/lib/system/event/listener/ShowBoxInBoardListener.class.php(62): wbb3addonsBox05->__construct(Array, 'wbb3addonsBox05')
#6 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/lib/system/event/listener/ShowBoxInBoardListener.class.php(45): ShowBoxInBoardListener->parseBoxData('type2', '14')
#7 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/event/EventHandler.class.php(117): ShowBoxInBoardListener->execute(Object(UserPage), 'UserPage', 'readParameters')
#8 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/system/event/EventHandler.class.php(142): EventHandler::executeInheritedActions(Object(UserPage), 'readParameters', 'UserPage', 'readParameters@...')
#9 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/page/AbstractPage.class.php(44): EventHandler::fireAction(Object(UserPage), 'readParameters')
#10 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/page/UserPage.class.php(44): AbstractPage->readParameters()
#11 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/page/AbstractPage.class.php(35): UserPage->readParameters()
#12 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/page/UserPage.class.php(37): AbstractPage->__construct()
#13 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/util/RequestHandler.class.php(63): UserPage->__construct()
#14 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('User', Array, 'page')
#15 /homepages/8/d222676091/htdocs/alleinerziehendnet/wbb/index.php(8): RequestHandler::handle(Array)
#16 {main}