An unknown error occurred #3558

New Issue

OVERLORD · 2026-02-05T07:03:53+03:00

OVERLORD commented

2026-02-05 07:03:53 +03:00

Originally created by @miriapa on GitHub (Mar 1, 2023).

Describe the Bug

Hi, I'm a new user of BookStack. Yesterday my team and I started customizing the platform and creating some shelves, books,... Some of the shelves, books, pages got created correctly but others don't work. Instead of appearing the usual, it appears this (image):

I have the lastest version of BookStack and the lastest php version my hosting server allows me to have, which is the 8.1.

I'd really appreciate some help.

Thanks in advanced.

Steps to Reproduce

Click on some shelve/book/page
Get en error page with the message "An unkown error occurred"

Expected Behaviour

I expected to see the shelve/book/page, I've created.

Screenshots or Additional Context

No response

Browser Details

Windows 10

Exact BookStack Version

v23.02.1

PHP Version

8.1

Hosting Environment

The hosting server we're using is Cloudabove.
Hosting Package: S1
cPanel Version: 108.0 (build 13)
Apache Version: 2.4.55
MySQL Version: 8.0.32
Operating System: linux
Perl Version: 5.26.3

Originally created by @miriapa on GitHub (Mar 1, 2023). ### Describe the Bug Hi, I'm a new user of BookStack. Yesterday my team and I started customizing the platform and creating some shelves, books,... Some of the shelves, books, pages got created correctly but others don't work. Instead of appearing the usual, it appears this (image): ![Comunidad Hiopos _ BookStack - Google Chrome 01_03_2023 9_51_10](https://user-images.githubusercontent.com/126464875/222090581-afdc7d3b-1630-4d88-8bf9-989711ca4d79.png) I have the lastest version of BookStack and the lastest php version my hosting server allows me to have, which is the 8.1. I'd really appreciate some help. Thanks in advanced. ### Steps to Reproduce 1. Click on some shelve/book/page 2. Get en error page with the message "An unkown error occurred" ### Expected Behaviour I expected to see the shelve/book/page, I've created. ### Screenshots or Additional Context _No response_ ### Browser Details Windows 10 ### Exact BookStack Version v23.02.1 ### PHP Version 8.1 ### Hosting Environment The hosting server we're using is Cloudabove. Hosting Package: S1 cPanel Version: 108.0 (build 13) Apache Version: 2.4.55 MySQL Version: 8.0.32 Operating System: linux Perl Version: 5.26.3

OVERLORD added the 🐛 Bug label 2026-02-05 07:03:53 +03:00

OVERLORD closed this issue

2026-02-05 07:03:55 +03:00

OVERLORD referenced this issue

2026-02-05 10:27:05 +03:00

[PR #3558] [CLOSED] Nci custom design #6217

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