Last update made a critical error

Last update made a critical error. The site goes under maintenance mode, and only works after the plugin is deactivated.
This is the error code (removed domain in directories for safety)

Este plugin falhou ao carregar e está suspenso durante o modo de recuperação.

Um erro do tipo E_ERROR foi causado na linha 71 do ficheiro /var/www/vhosts/DOMAIN/public_html/wp-content/plugins/ko-fi-button/Ko_fi.php. Mensagem de erro: Uncaught Error: Call to undefined function get_plugin_data() in /var/www/vhosts/DOMAIN/public_html/wp-content/plugins/ko-fi-button/Ko_fi.php:71 Stack trace: #0 /var/www/vhosts/DOMAIN/public_html/wp-includes/class-wp-hook.php(307): Ko_Fi::register_scripts('') #1 /var/www/vhosts/DOMAIN/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /var/www/vhosts/DOMAIN/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #3 /var/www/vhosts/DOMAIN/public_html/wp-settings.php(598): do_action('init') #4 /var/www/vhosts/DOMAIN/public_html/wp-config.php(78): require_once('/var/www/vhosts...') #5 /var/www/vhosts/DOMAIN/public_html/wp-load.php(50): require_once('/var/www/vhosts...') #6 /var/www/vhosts/DOMAIN/public_html/wp-login.php(12): require('/var/www/vhosts...') #7 {main} thrown

 

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