Fatal error: Uncaught TypeError: JTL\DB\NiceDB::select(): Argument #2 ($keyname) must be of type array|string, null given, called in /var/www/www.b2boil.de/plugins/netzdingeDE_brutto_netto/src/Backend/PluginHelper.php(8) : eval()'d code on line 14 and defined in /var/www/www.b2boil.de/includes/src/DB/NiceDB.php:683 Stack trace: #0 /var/www/www.b2boil.de/plugins/netzdingeDE_brutto_netto/src/Backend/PluginHelper.php(8) : eval()'d code(14): JTL\DB\NiceDB->select() #1 /var/www/www.b2boil.de/plugins/netzdingeDE_brutto_netto/src/Backend/PluginHelper.php(8) : eval()'d code(14): Plugin\netzdingeDE_brutto_netto\src\Backend\PluginHelper->dbSelectSingleRow() #2 /var/www/www.b2boil.de/plugins/netzdingeDE_brutto_netto/Bootstrap.php(8) : eval()'d code(14): Plugin\netzdingeDE_brutto_netto\src\Backend\PluginHelper->__construct() #3 /var/www/www.b2boil.de/includes/src/Shop.php(337): Plugin\netzdingeDE_brutto_netto\Bootstrap->boot() #4 /var/www/www.b2boil.de/includes/globalinclude.php(71): JTL\Shop::bootstrap() #5 /var/www/www.b2boil.de/index.php(7): require('...') #6 {main} thrown in /var/www/www.b2boil.de/includes/src/DB/NiceDB.php on line 683