Critical error version 5.1.13 update

Hi,

I updated the plugin today to version 5.1.13 and got a critical error!

Error Details

=============

An error of type E_ERROR was caused in line 22 of the file /var/www/wp-content/plugins/projectopia-core/assets/freemius/require.php. Error message: Uncaught Error: Failed opening required '/var/www/wp-content/plugins/projectopia-core/assets/freemius/includes/class-fs-garbage-collector.php' (include_path='/var/www/wp-content/plugins/kirki/:/var/www/wp-content/plugins/kirki/core:.:') in /var/www/wp-content/plugins/projectopia-core/assets/freemius/require.php:22

Stack trace:

#0 /var/www/wp-content/plugins/projectopia-core/assets/freemius/start.php(576): require_once()

#1 /var/www/wp-content/plugins/projectopia-core/projectopia-core.php(48): require_once('/var/www/wp-con...')

#2 /var/www/wp-content/plugins/projectopia-core/projectopia-core.php(76): projectopia_fs()

#3 /var/www/wp-settings.php(526): include_once('/var/www/wp-con...')

#4 /var/www/wp-config.php(97): require_once('/var/www/wp-set...')

#5 /var/www/wp-load.php(50): require_once('/var/www/wp-con...')

#6 /var/www/wp-admin/admin.php(34): require_once('/var/www/wp-loa...')

#7 /var/www/wp-admin/plugins.php(10): require_once('/var/www/wp-adm...')

#8 {main}

? thrown