×Close The exit status code '1' says something went wrong: stderr: "xvfb-run: error: Xvfb failed to start " stdout: "" command: xvfb-run -- /usr/bin/wkhtmltopdf --lowquality --margin-bottom '10mm' --margin-top '10mm' --orientation 'portrait' --page-size 'a4' '/tmp/knp_snappy684f6231b86ab2.16742045.html' '/tmp/knp_snappy684f6231b873b6.29806132.pdf'.