Report - Fortnox for WooCommerce 4.0.2

Does "Fortnox integration for WooCommerce" work with WordPress 5.4.1 and PHP 7.2.16? A smoke test was performed on 2020-05-14 12:50:10 UTC.

Summary

Errors

14	PHP fatal errors
	No JavaScript exceptions
1	Page failed to load 1 500 Internal Server Error
	No resource errors

Performance

Memory usage: -75.9 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment

WordPress version	5.4.1
PHP version	7.2.16
MySQL version	8.0.15
PHP memory limit	256M

Plugin Info

Last updated	2025-09-09T09:25:00+00:00
Active installs	300+
WordPress.org page	https://wordpress.org/plugins/woocommerce-fortnox-integration/
Badges	Get badge code

Pages 2

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?activate=true&plugin_status=all&paged=1&s=
Requested URL	/wp-admin/plugins.php?action=activate&plugin=woocommerce-fortnox-integration%2Fplugin.php&plugin_status=all&paged=1&s&_wpnonce=ba2b2d6485
Aspect	after-activation
HTTP status	500
Load time	0.251 s
Memory usage	N/A
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.251 s
Memory usage	3.36 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/	0.317 s	0.172 s	-0.145 s	3.43 MiB	3.36 MiB	- 75.9 KiB
Average	0.317 s	0.172 s	-0.145 s	3.43 MiB	3.36 MiB	- 75.9 KiB

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

No new entries found.

PHP Error Log 128 lines

[14-May-2020 12:50:22 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('plugins.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'plugins.php')
#4 /wp-admin/plugins.php(486): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:22 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('index.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'index.php')
#4 /wp-admin/index.php(111): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:23 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('index.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'index.php')
#4 /wp-admin/index.php(111): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:23 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('edit.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'edit.php')
#4 /wp-admin/edit.php(386): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:23 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('post-new.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'post-new.php')
#4 /wp-admin/edit-form-blocks.php(420): require_once('/opt/bitnami/ap...')
#5 /wp-admin/post-new.php(72): require('/opt/bitnami/ap...')
#6 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:23 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('upload.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'upload.php')
#4 /wp-admin/upload.php(82): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:23 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('options-writing...')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'options-writing...')
#4 /wp-admin/options-writing.php(56): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:24 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('media-new.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'media-new.php')
#4 /wp-admin/media-new.php(64): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:24 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('edit-tags.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'edit-tags.php')
#4 /wp-admin/edit-tags.php(321): require_once('/opt/bitnami/ap...')
#5 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:24 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('post-new.php')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'post-new.php')
#4 /wp-admin/edit-form-blocks.php(420): require_once('/opt/bitnami/ap...')
#5 /wp-admin/post-new.php(72): require('/opt/bitnami/ap...')
#6 {main}
  thrown in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php on line 149
[14-May-2020 12:50:24 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function src\fortnox\WC() in /wp-content/plugins/woocommerce-fortnox-integration/src/fortnox/class-wf-plugin.php:149
Stack trace:
#0 /wp-includes/class-wp-hook.php(287): src\fortnox\WF_Plugin::add_admin_scripts('options-discuss...')
#1 /wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-admin/admin-header.php(104): do_action('admin_enqueue_s...', 'options-discuss...')
#4 /wp-admin/options-discussion.php(35): require_once('/opt/bitnami/ap...')
#5 {main}

(+28 more lines)