Fatal error: Uncaught Error: Call to undefined function WSOE() in /var/www/wp-content/plugins/woocommerce-simply-order-export-add-on/includes/update-installer.php:79
Stack trace:
#0 /var/www/wp-includes/class-wp-hook.php(288): wsoe_update_installer('')
#1 /var/www/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#2 /var/www/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /var/www/wp-settings.php(523): do_action('init')
#4 /var/www/wp-config.php(88): require_once('/var/www/wp-set...')
#5 /var/www/wp-load.php(37): require_once('/var/www/wp-con...')
#6 /var/www/wp-blog-header.php(13): require_once('/var/www/wp-loa...')
#7 /var/www/index.php(17): require('/var/www/wp-blo...')
#8 {main}
thrown in /var/www/wp-content/plugins/woocommerce-simply-order-export-add-on/includes/update-installer.php on line 79