V0.28 Upgrade results in "call to undefined function array" HTTP 500 errors #1520

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OVERLORD · 2026-02-05T01:07:45+03:00

OVERLORD commented

2026-02-05 01:07:45 +03:00

Originally created by @eferreira2 on GitHub (Feb 6, 2020).

Running Ubuntu 18.04 on PHP version 7.2.24. I successfully performed the bookstack upgrade from V0.27 to V0.28 however I keep getting HTTP 500 errors.

Laravel.log shows the following:
[object] (Symfony\Component\Debug\Exception\FatalThrowableError(code: 0): Call to undefined function array_except() at /var/www/bookstack/storage/framework/views/b6907d7cb3d23d27cb94e567c7d5a2aafd964aab.php:19)
[stacktrace]
minate\Foundation\Http\Kernel->handle(Object(BookStack\Http\Request))

Originally created by @eferreira2 on GitHub (Feb 6, 2020). Running Ubuntu 18.04 on PHP version 7.2.24. I successfully performed the bookstack upgrade from V0.27 to V0.28 however I keep getting HTTP 500 errors. **Laravel.log shows the following:** [object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Call to undefined function array_except() at /var/www/bookstack/storage/framework/views/b6907d7cb3d23d27cb94e567c7d5a2aafd964aab.php:19) [stacktrace] minate\\Foundation\\Http\\Kernel->handle(Object(BookStack\\Http\\Request)) ![Debug Error](https://user-images.githubusercontent.com/60720273/73895627-34e08600-484e-11ea-9c18-cf4f0188ef24.png)

OVERLORD closed this issue

2026-02-05 01:07:46 +03:00

OVERLORD commented

2026-02-05 01:07:49 +03:00

@finnwessel commented on GitHub (Feb 6, 2020):

Could it be some kind of caching problem?
Maybe clearing the view Cache with laravels command php artisan view:clear could help

@finnwessel commented on GitHub (Feb 6, 2020): Could it be some kind of caching problem? Maybe clearing the view Cache with laravels command `php artisan view:clear` could help

OVERLORD commented

2026-02-05 01:07:52 +03:00

@eferreira2 commented on GitHub (Feb 6, 2020):

I followed the upgrade documentation where it suggests running the cache and view clears. I did both successfully, same issue.

php artisan cache:clear
php artisan view:clear

@eferreira2 commented on GitHub (Feb 6, 2020): I followed the upgrade documentation where it suggests running the cache and view clears. I did both successfully, same issue. php artisan cache:clear php artisan view:clear

OVERLORD commented

2026-02-05 01:07:55 +03:00

@finnwessel commented on GitHub (Feb 6, 2020):

any problems with write permissions for the folder? Sounds like the question on Stackoverflow (Cache Problem)
Does those files change after running the command?

@finnwessel commented on GitHub (Feb 6, 2020): any problems with write permissions for the folder? Sounds like the question on [Stackoverflow (Cache Problem)](https://stackoverflow.com/questions/45555783/laravel-5-4-php-artisan-cacheclear-does-not-clear-cache-files-when-using-fil) Does those files change after running the command?

OVERLORD commented

2026-02-05 01:07:57 +03:00

@HavoK-at commented on GitHub (Feb 6, 2020):

Heyho, had the same issue on a similar system (ubuntu 18.04, php 7.2.24) also after upgrading from 0.27.
According to this stackoverflow post (https://stackoverflow.com/a/58433430) laravel moved some functions to a helper package. Bookstack worked for me again after running composer require laravel/helpers. Hope that helps.

@HavoK-at commented on GitHub (Feb 6, 2020): Heyho, had the same issue on a similar system (ubuntu 18.04, php 7.2.24) also after upgrading from 0.27. According to this stackoverflow post (https://stackoverflow.com/a/58433430) laravel moved some functions to a helper package. Bookstack worked for me again after running `composer require laravel/helpers`. Hope that helps.

OVERLORD commented

2026-02-05 01:07:59 +03:00

@ssddanbrown commented on GitHub (Feb 6, 2020):

You should not need to run composer require laravel/helpers after updating, this would likely cause more issues when you come to update next time. BookStack has been updated to not need this package.

@eferreira2 After running php artisan view:clear do you have any .php files inside the storage/framework/views/ folder? If so then your current user likely doesn't have permission to clear those files. You may have to run the command with elevated permissions (sudo php artisan view:clear)

@ssddanbrown commented on GitHub (Feb 6, 2020): You should not need to run `composer require laravel/helpers` after updating, this would likely cause more issues when you come to update next time. BookStack has been updated to not need this package. @eferreira2 After running `php artisan view:clear` do you have any `.php` files inside the `storage/framework/views/` folder? If so then your current user likely doesn't have permission to clear those files. You may have to run the command with elevated permissions (`sudo php artisan view:clear`)

OVERLORD commented

2026-02-05 01:08:03 +03:00

@eferreira2 commented on GitHub (Feb 6, 2020):

The following 2 articles helped me resolve my issue:
https://stackoverflow.com/questions/32573924/composer-hanging-while-updating-dependencies
https://stackoverflow.com/questions/58432492/lumen-laravel-6-call-to-undefined-function-array-except/58433430#58433430

@eferreira2 commented on GitHub (Feb 6, 2020): The following 2 articles helped me resolve my issue: https://stackoverflow.com/questions/32573924/composer-hanging-while-updating-dependencies https://stackoverflow.com/questions/58432492/lumen-laravel-6-call-to-undefined-function-array-except/58433430#58433430

OVERLORD commented

2026-02-05 01:08:06 +03:00

@mtariq786 commented on GitHub (Mar 17, 2021):

Could it be some kind of caching problem?
Maybe clearing the view Cache with laravels command php artisan view:clear could help

helpful!

@mtariq786 commented on GitHub (Mar 17, 2021): > Could it be some kind of caching problem? > Maybe clearing the view Cache with laravels command `php artisan view:clear` could help helpful!

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Reference: starred/BookStack#1520