System error <pre>Loading pages (1/6)
[>                                                           ] 0%
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Warning: Blocked access to file                                   
Warning: Blocked access to file 
Warning: Blocked access to file 
[=======>                                                    ] 13%
Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown
Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown
Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown
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Counting pages (2/6)                                               
[============================================================] Object 1 of 1
Resolving links (4/6)                                                       
[============================================================] Object 1 of 1
Loading headers and footers (5/6)                                           
[>                                                           ] 1%
[=>                                                          ] 2%
[=>                                                          ] 3%
[===>                                                        ] 5%
[===>                                                        ] 6%
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[======>                                                     ] 11%
[======>                                                     ] 11%
[=======>                                                    ] 12%
[========>                                                   ] 14%
libpng warning: iCCP: known incorrect sRGB profile
[============>                                               ] 21%
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Printing pages (6/6)                                               
[>                                                           ] Preparing
[===============>                                            ] Page 1 of 4
[==============================>                             ] Page 2 of 4
[=============================================>              ] Page 3 of 4
[============================================================] Page 4 of 4
Done                                                                      
Exit with code 1 due to network error: ProtocolUnknownError
</pre>