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'
Loading page (1/2)
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Warning: Blocked access to file                                   
Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown
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Printing pages (2/2)                                               
[>                                                           ] 
Done                                                           
Exit with code 1 due to network error: ProtocolUnknownError
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