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Trying to get property 'childNodes' of non-object #2292

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opened 2026-02-05 03:34:53 +03:00 by OVERLORD · 1 comment
OVERLORD commented 2026-02-05 03:34:53 +03:00
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Originally created by @marinkaberg on GitHub (Jun 13, 2021).

Describe the bug
Every time I attempt to export page as PDF or HTML, I have the following:
ErrorException Trying to get property 'childNodes' of non-object (View: /var/www/html/resources/views/partials/export-custom-head.blade.php)

Steps To Reproduce

  1. Settings -- Customization -- Custom HTML Head Content, add single line <!-- Just a comment -->, and save.
  2. Open any page, Export -- html OR pdf (txt works fine)

Expected behavior
It is absolutely necessary that BookStack cannot be broken by user-defined content.

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Your Configuration (please complete the following information):
Latest linuxserver docker image. Please let me know if you cannot reproduce this behavior: I'll show it remotely.

Originally created by @marinkaberg on GitHub (Jun 13, 2021). **Describe the bug** Every time I attempt to export page as PDF or HTML, I have the following: `ErrorException Trying to get property 'childNodes' of non-object (View: /var/www/html/resources/views/partials/export-custom-head.blade.php)` **Steps To Reproduce** 1. Settings -- Customization -- Custom HTML Head Content, add single line `<!-- Just a comment -->`, and save. 2. Open any page, Export -- html OR pdf (txt works fine) **Expected behavior** It is absolutely necessary that BookStack cannot be broken by user-defined content. **Screenshots** **Your Configuration (please complete the following information):** Latest linuxserver docker image. Please let me know if you cannot reproduce this behavior: I'll show it remotely.
OVERLORD added the 🐛 Bug🏭 Back-End labels 2026-02-05 03:34:53 +03:00
OVERLORD commented 2026-02-05 03:34:59 +03:00
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@ssddanbrown commented on GitHub (Jun 13, 2021):

Thanks for raising @marinkaberg.

This has been addressed in b5caaa73b7 and assigned to be part of the next patch release.

@ssddanbrown commented on GitHub (Jun 13, 2021): Thanks for raising @marinkaberg. This has been addressed in b5caaa73b7b526f8fe8692ded0b31b1cbbc6c4d4 and assigned to be part of the next patch release.
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Reference: starred/BookStack#2292
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