Error Activating plugin

Hello guys,
I went to install this fantastic plugin, however it presents the following error in the beta:
https://snag.gy/PpmTBw.jpg

Fatal error: Uncaught Error: Class ‘Skeleton\Taxonomy’ not found in /home/presenca/public_html/booking/wp-content/plugins/awebooking/inc/WP_Core_Hooks.php:73 Stack trace: #0 /home/presenca/public_html/booking/wp-content/plugins/awebooking/inc/WP_Core_Hooks.php(33): AweBooking\WP_Core_Hooks->register_taxonomies() #1 /home/presenca/public_html/booking/wp-content/plugins/awebooking/inc/Installer.php(45): AweBooking\WP_Core_Hooks->init(Object(AweBooking\AweBooking)) #2 /home/presenca/public_html/booking/wp-includes/class-wp-hook.php(286): AweBooking\Installer::install(”) #3 /home/presenca/public_html/booking/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(”, Array) #4 /home/presenca/public_html/booking/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /home/presenca/public_html/booking/wp-admin/plugins.php(174): do_action(‘activate_aweboo…’) #6 {main} thrown in /home/presenca/public_html/booking/wp-content/plugins/awebooking/inc/WP_Core_Hooks.php on line 73

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