Error while making ‘Tribe__Admin__Help_Page’

I’m using wordpress v5.6.0 and v5.3.2 of The Events Calendar plugin. In the log file, I see an error related to Error while making ‘Tribe__Admin__Help_Page’.
What could be the issue ?

PHP Fatal error: Uncaught RuntimeException: Error while making 'Tribe__Admin__Help_Page': Class Tribe__Admin__Help_Page does not exist in /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-content/plugins/the-events-calendar/common/vendor/lucatume/di52/src/tad/DI52/Container.php:356
Stack trace:
#0 /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-content/plugins/the-events-calendar/common/vendor/lucatume/di52/src/tad/DI52/Container.php(281): tad_DI52_Container->resolve('Tribe__Admin__H...')
#1 /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-content/plugins/the-events-calendar/common/src/Tribe/Container.php(176): tad_DI52_Container->make('Tribe__Admin__H...')
#2 /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-content/plugins/the-events-calendar/common/src/Tribe/Main.php(264): tribe('Tribe__Admin__H...')
#3 /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-includes/class-wp-hook.php(287): Tribe__Main->load_assets('')
#4 /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#5 /var/ww in /var/www/vhosts/vbsdebrongooik.be/httpdocs/wp-content/plugins/the-events-calendar/common/vendor/lucatume/di52/src/tad/DI52/Container.php on line 356