WordPress error message

Error Details
=============
An error of type E_ERROR was caused in line 459 of the file /home/maksimir/public_html/wp-content/plugins/the-events-calendar/common/src/Tribe/Support.php. Error message: Uncaught Error: Class ‘Tribe__Support__Obfuscator’ not found in /home/maksimir/public_html/wp-content/plugins/the-events-calendar/common/src/Tribe/Support.php:459
Stack trace:
#0 /home/maksimir/public_html/wp-includes/class-wp-hook.php(292): Tribe__Support::getInstance(”)
#1 /home/maksimir/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#2 /home/maksimir/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#3 /home/maksimir/public_html/wp-settings.php(423): do_action(‘plugins_loaded’)
#4 /home/maksimir/public_html/wp-config.php(89): require_once(‘/home/maksimir/…’)
#5 /home/maksimir/public_html/wp-load.php(37): require_once(‘/home/maksimir/…’)
#6 /home/maksimir/public_html/wp-admin/admin-ajax.php(22): require_once(‘/home/maksimir/…’)
#7 {main}
thrown

WordPress version 5.7.1
Current theme: Avada (version 7.3)
Current plugin: The Events Calendar (version 5.5.0.1) PHP version 7.4.16

Do you know what’s causing the problem? Thank you.