Module 'Fooman_PrintOrderPdf' from '/var/www/vhosts/lindbaum.org/httpdocs/fiedlers-fischmarkt/magento/app/code/Fooman/PrintOrderPdf' has been already defined in '/var/www/vhosts/lindbaum.org/httpdocs/fiedlers-fischmarkt/magento/vendor/fooman/printorderpdf-implementation-m2/src'.