Fatal error: Uncaught Error: Call to a member function select() on null in /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/plugins/netzdingeDE_payment4companies/src/Backend/PluginHelper.php(8) : eval()'d code:14 Stack trace: #0 /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/plugins/netzdingeDE_payment4companies/src/Backend/PluginHelper.php(8) : eval()'d code(14): Plugin\netzdingeDE_payment4companies\src\Backend\PluginHelper->dbSelectSingleRow('xplugin_netzdin...') #1 /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/plugins/netzdingeDE_payment4companies/Bootstrap.php(8) : eval()'d code(14): Plugin\netzdingeDE_payment4companies\src\Backend\PluginHelper->__construct(Object(JTL\Plugin\Plugin)) #2 /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/includes/src/Shop.php(337): Plugin\netzdingeDE_payment4companies\Bootstrap->boot(Object(JTL\Events\Dispatcher)) #3 /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/includes/globalinclude.php(70): JTL\Shop::bootstrap(true, Object(JTL\DB\NiceDB), Object(JTL\Cache\JTLCache)) #4 /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/index.php(7): require('/var/www/vhosts...') #5 {main} thrown in /var/www/vhosts/h109223.host173.alfahosting-server.de/html/JTL4/plugins/netzdingeDE_payment4companies/src/Backend/PluginHelper.php(8) : eval()'d code on line 14