Fatal error: PHP error in file /www/htdocs/w01869d4/bikerinnen.net/wcf/lib/system/WCF.class.php (153): Function set_magic_quotes_runtime() is deprecated

Information:

error message: PHP error in file /www/htdocs/w01869d4/bikerinnen.net/wcf/lib/system/WCF.class.php (153): Function set_magic_quotes_runtime() is deprecated
error code: 0
file: /www/htdocs/w01869d4/bikerinnen.net/wcf/lib/system/WCF.class.php (251)
php version: 5.5.38-nmm3
wcf version: 1.0.5
date: Fri, 14 Dec 2018 00:17:56 +0000
request: /wbb/index.php?page=Index&action=markAsRead&s=a23e983dca817962e087b1e1b66b81dab9f4e80b
referer:

Stacktrace:

#0 [internal function]: WCF->handleError(8192, 'Function set_ma...', '/www/htdocs/w01...', 153, Array)
#1 /www/htdocs/w01869d4/bikerinnen.net/wcf/lib/system/WCF.class.php(153): set_magic_quotes_runtime()
#2 /www/htdocs/w01869d4/bikerinnen.net/wcf/lib/system/WCF.class.php(87): WCF->initMagicQuotes()
#3 /www/htdocs/w01869d4/bikerinnen.net/wbb/global.php(18): WCF->__construct()
#4 /www/htdocs/w01869d4/bikerinnen.net/wbb/index.php(7): require_once('/www/htdocs/w01...')
#5 {main}