PHP Fatal error, file class-fs-debug-manager.php missing

A client wanted to try the plugin but it caused a PHP Fatal error, the required file class-fs-debug-manager.php in freemius framework is missing in current plugin release:

Warning: require_once(.../wp-content/plugins/super-rollback/includes/freemius/includes/managers/class-fs-debug-manager.php): failed to open stream: No such file or directory in .../wp-content/plugins/super-rollback/includes/freemius/require.php on line 53 Fatal error: require_once(): Failed opening required '.../wp-content/plugins/super-rollback/includes/freemius/includes/managers/class-fs-debug-manager.php' (include_path='.:/opt/RZphp74/includes') in .../wp-content/plugins/super-rollback/includes/freemius/require.php on line 53 

Super Rollback 1.0.8