Fatal error: Uncaught Error: Access to undeclared static property DBConnector::$reference in /var/www/inc/functions.inc.php:120 Stack trace: #0 /var/www/inc/functions.inc.php(19): DBConnector::getPDO() #1 /var/www/classes/TransLexDokument.class.php(109): connectpdo() #2 /var/www/classes/TransLexPrinzip.class.php(22): TransLexDokument->ladeAusDatenbank() #3 /var/www/dokument.php(17): TransLexPrinzip->ladePrinzipAusDatenbank() #4 {main} thrown in /var/www/inc/functions.inc.php on line 120