Fatal Error on 4.4.2

You can add me to the list of folks with fatal errors on this version.

Oddly enough, only 1 site out of 33 sites had the issue. In addition, even the development copy was fine (they’re identical).

The error log incriminates only the Activity Log plugin, no other plugin directories were mentioned. After extensive troubleshooting, the error magically disappeared after deactivating and reactivating all of my plugins.

I know that probably doesn’t help the troubleshooting process, but hopefully for others experiencing this issue, simply deactivating all their plugins and reactivating them might suffice.

Here is the error message for my instance:

Error Details
=============
An error of type E_ERROR was caused in line 1768 of the file /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/classes/Settings.php. Error message: Uncaught Error: Call to undefined function wsal_freemius() in /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/classes/Settings.php:1768
Stack trace:
#0 /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/classes/Migration/class-migration.php(97): WSAL_Settings->set_mainwp_child_stealth_mode()
#1 /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/classes/Migration/class-abstract-migration.php(143): WSAL\Utils\Migration::migrate_up_to_4420()
#2 /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/wp-security-audit-log.php(1223): WSAL\Utils\Abstract_Migration::migrate()
#3 /home2/eastpetersburgsp/public_html/wp-content/plugins/wp-security-audit-log/wp-security-audit-log.php(341): WpSecurityAuditLog->update()
#4 /home2/eastpetersburgsp/public_html/wp-includes/class-wp-hook.php(307): WpSecurityAuditLog->setup('')
#5 /home2/eastpetersburgsp/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#6 /home2/eastpetersburgsp/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#7 /home2/eastpetersburgsp/public_html/wp-settings.php(461): do_action('plugins_loaded')
#8 /home2/eastpetersburgsp/public_html/wp-config.php(98): require_once('/home2/eastpete...')
#9 /home2/eastpetersburgsp/public_html/wp-load.php(50): require_once('/home2/eastpete...')
#10 /home2/eastpetersburgsp/public_html/wp-admin/admin.php(34): require_once('/home2/eastpete...')
#11 /home2/eastpetersburgsp/public_html/wp-admin/plugins.php(10): require_once('/home2/eastpete...')
#12 {main}
  thrown