Dark mode results in "Whoops, looks like something went wrong." #1722

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OVERLORD · 2026-02-05T01:42:37+03:00

OVERLORD commented

2026-02-05 01:42:37 +03:00

Originally created by @mattstanyon-tall on GitHub (May 8, 2020).

Describe the bug
When clicking the Dark Mode button, the following message is displayed:
Whoops, looks like something went wrong.

Steps To Reproduce
Steps to reproduce the behavior:

Click Dark Mode

Expected behavior
Awesomeness in the form of Dark Mode to appear before my eyes.

Screenshots
If applicable, add screenshots to help explain your problem.

Your Configuration (please complete the following information):

Exact BookStack Version (Found in settings): 0.29.2
PHP Version:PHP 7.2.24-0ubuntu0.18.04.4 (cli)
Hosting Method (Nginx/Apache/Docker): Apache2

Additional context
Add any other context about the problem here.
Can't see anything in the laravel.log....

Originally created by @mattstanyon-tall on GitHub (May 8, 2020). **Describe the bug** When clicking the Dark Mode button, the following message is displayed: Whoops, looks like something went wrong. **Steps To Reproduce** Steps to reproduce the behavior: 1. Click Dark Mode **Expected behavior** Awesomeness in the form of Dark Mode to appear before my eyes. **Screenshots** If applicable, add screenshots to help explain your problem. **Your Configuration (please complete the following information):** - Exact BookStack Version (Found in settings): 0.29.2 - PHP Version:PHP 7.2.24-0ubuntu0.18.04.4 (cli) - Hosting Method (Nginx/Apache/Docker): Apache2 **Additional context** Add any other context about the problem here. Can't see anything in the laravel.log....

OVERLORD closed this issue

2026-02-05 01:42:41 +03:00

OVERLORD commented

2026-02-05 01:42:46 +03:00

@ssddanbrown commented on GitHub (May 14, 2020):

Hi @mattstanyon-tall,
This sounds rather odd. Unfortunately the whoops message does not give any clues by itself. Could you follow this guide to enable debugging mode and let me know if you get any extra info:
https://www.bookstackapp.com/docs/admin/debugging/

Remember to turn debugging mode off straight after getting the message.

@ssddanbrown commented on GitHub (May 14, 2020): Hi @mattstanyon-tall, This sounds rather odd. Unfortunately the whoops message does not give any clues by itself. Could you follow this guide to enable debugging mode and let me know if you get any extra info: https://www.bookstackapp.com/docs/admin/debugging/ Remember to turn debugging mode off straight after getting the message.

OVERLORD commented

2026-02-05 01:42:51 +03:00

@mattstanyon-tall commented on GitHub (May 15, 2020):

Nothing gets reported in storage/logs/laravel.log with debugging on, and then when I get the Dark Mode link....

At a loss with this one.

@mattstanyon-tall commented on GitHub (May 15, 2020): Nothing gets reported in storage/logs/laravel.log with debugging on, and then when I get the Dark Mode link.... At a loss with this one.

OVERLORD commented

2026-02-05 01:42:54 +03:00

@ssddanbrown commented on GitHub (May 17, 2020):

With debugging on does the error message seen have any more information? You should see a fair bit more than the default "Whoops, looks like something went wrong." message.

(As in, when viewed via the browser, not via the logs.)

@ssddanbrown commented on GitHub (May 17, 2020): With debugging on does the error message seen have any more information? You should see a fair bit more than the default "Whoops, looks like something went wrong." message. (As in, when viewed via the browser, not via the logs.)

OVERLORD commented

2026-02-05 01:42:58 +03:00

@mattstanyon-tall commented on GitHub (May 18, 2020):

/var/www/bookstack/.env

Enable application debugging

APP_DEBUG=true

/var/www/bookstack/app/Config/app.php
'debug' => env('APP_DEBUG', true),

Still I get the same Whoops, looks like something went wrong and nothing in the log.

The only thing I can find is in the Apache2 log:
172.16.0.20 - - [18/May/2020:08:31:27 -0400] "POST /settings/users/toggle-dark-mode HTTP/1.1" 405 879 "https://domain.com/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"

Anything else I can try?

@mattstanyon-tall commented on GitHub (May 18, 2020): /var/www/bookstack/.env # Enable application debugging APP_DEBUG=true /var/www/bookstack/app/Config/app.php 'debug' => env('APP_DEBUG', true), Still I get the same Whoops, looks like something went wrong and nothing in the log. The only thing I can find is in the Apache2 log: 172.16.0.20 - - [18/May/2020:08:31:27 -0400] "POST /settings/users/toggle-dark-mode HTTP/1.1" 405 879 "https://domain.com/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36" Anything else I can try?

OVERLORD commented

2026-02-05 01:43:00 +03:00

@ssddanbrown commented on GitHub (May 23, 2020):

Hmmm. That error seems to imply the route cannot be found.
Additionally, you should be getting a debug view instead of the whoops message.

Could you confirm:

You've done a composer install after updating and there were no major errors during that process.
Whether you've ever cached routes or config. You can check this by seeing if there are any .php files in the bootstrap/cache directory.

@ssddanbrown commented on GitHub (May 23, 2020): Hmmm. That error seems to imply the route cannot be found. Additionally, you should be getting a debug view instead of the whoops message. Could you confirm: 1. You've done a `composer install` after updating and there were no major errors during that process. 2. Whether you've ever cached routes or config. You can check this by seeing if there are any `.php` files in the `bootstrap/cache` directory.

OVERLORD commented

2026-02-05 01:43:05 +03:00

@mattstanyon-tall commented on GitHub (May 25, 2020):

Deleted the contents of /bootstrap/cache, and it's now working.
Thanks very much for your help with this.

@mattstanyon-tall commented on GitHub (May 25, 2020): Deleted the contents of /bootstrap/cache, and it's now working. Thanks very much for your help with this.

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Reference: starred/BookStack#1722