System error <pre>The switch --header-spacing, is not support using unpatched qt, and will be ignored.The switch --header-html, is not support using unpatched qt, and will be ignored.The switch --footer-html, is not support using unpatched qt, and will be ignored.QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-www-data'
Error: This version of wkhtmltopdf is built against an unpatched version of QT, and does not support more than one input document.
Exit with code 1, due to unknown error.
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