Fatal error on statistics

[21-Mar-2023 17:39:42 UTC] PHP Fatal error: Uncaught Error: Call to undefined function ini_get_all() in /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/includes/class-flush-opcache-statistics.php:87
Stack trace:

0 /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/includes/class-flush-opcache-statistics.php(55): Flush_Opcache_Statistics->merge_stats()

1 /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/admin/flush-opcache-statistics.php(17): Flush_Opcache_Statistics->__construct()

2 /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/admin/class-flush-opcache-admin.php(212): require_once('/home/x1mocka/p…')

3 /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/admin/class-flush-opcache-admin.php(103): Flush_Opcache_Admin->page_statistics()

4 /home/x1mocka/public_html/mocka.admitere/wp-includes/class-wp-hook.php(308): Flush_Opcache_Admin->flush_opcache_admin_page()

5 /home/x1mocka/public_html/mocka.admitere/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()

6 /home/x1mocka/public_html/mocka.admitere/wp-includes/plugin.php(517): WP_Hook->do_action()

7 /home/x1mocka/public_html/mocka.admitere/wp-admin/admin.php(259): do_action()

8 {main}

thrown in /home/x1mocka/public_html/mocka.admitere/wp-content/plugins/flush-opcache/includes/class-flush-opcache-statistics.php on line 87