Fatal error: Uncaught Error: Argument 1 passed to Freemius::get_api_user_scope_b

I am stuck. Site crashes. Here is the error message:
Fatal error: Uncaught Error: Argument 1 passed to Freemius::get_api_user_scope_by_user() must be an instance of FS_User, bool given, called in /home/xxxxxxxx/public_html/wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php on line 22695
in /home/xxxxxxx/public_html/wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php on line 22709
Call stack:
1. Freemius::get_api_user_scope_by_user()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:22695
2. Freemius::get_api_user_scope()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:22734
3. Freemius::get_current_or_network_user_api_scope()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:19625
4. Freemius::_fetch_plugin_plans()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:11471
5. Freemius::_sync_plans()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:16261
6. Freemius::_load_account()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:537
7. Freemius::__construct()
wp-content/plugins/event-tickets/common/vendor/freemius/includes/class-freemius.php:2825
8. Freemius::instance()
wp-content/plugins/event-tickets/common/vendor/freemius/start.php:521
9. fs_dynamic_init()
wp-content/plugins/event-tickets/common/src/Tribe/Freemius.php:57
10. Tribe__Freemius::initialize()
wp-content/plugins/event-tickets/src/Tribe/Integrations/Freemius.php:144
11. Tribe__Tickets__Integrations__Freemius::setup()
wp-content/plugins/event-tickets/src/Tribe/Integrations/Freemius.php:79
12. Tribe__Tickets__Integrations__Freemius::__construct()
wp-content/plugins/event-tickets/src/Tribe/Integrations/Manager.php:54
13. Tribe__Tickets__Integrations__Manager::load_freemius()
wp-content/plugins/event-tickets/src/Tribe/Integrations/Manager.php:45
14. Tribe__Tickets__Integrations__Manager::load_integrations()
wp-content/plugins/event-tickets/src/Tribe/Main.php:722
15. Tribe__Tickets__Main::init()
wp-includes/class-wp-hook.php:307
16. WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:331
17. WP_Hook::do_action()
wp-includes/plugin.php:474
18. do_action()
wp-settings.php:587
19. require_once()
wp-config.php:92
20. require_once()
wp-load.php:50
21. require_once()
wp-admin/admin.php:34
22. require_once()
wp-admin/plugins.php:10

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