New Task crashed

Hi team, when i try to add new task the error shows

Fatal error: Uncaught TypeError: Argument 1 passed to TaskScheduler_AdminPageFramework_Model__FormSubmission__Validator__Filter::_getEmbeddedOptions() must be of the type array, null given, called in /web/htdocs/www.componentsandsystems.it/home/wp-content/plugins/task-scheduler/include/library/apf/factory/admin_page/_model/delegate/validaor/AdminPageFramework_Model__FormSubmission__Validator__Filter.php on line 106 and defined in /web/htdocs/www.componentsandsystems.it/home/wp-content/plugins/task-scheduler/include/library/apf/factory/admin_page/_model/delegate/validaor/AdminPageFramework_Model__FormSubmission__Validator__Filter.php:110 Stack trace: #0 /web/htdocs/www.componentsandsystems.it/home/wp-content/plugins/task-scheduler/include/library/apf/factory/admin_page/_model/delegate/validaor/AdminPageFramework_Model__FormSubmission__Validator__Filter.php(106): TaskScheduler_AdminPageFramework_Model__FormSubmission__Validator__Filter->_getEmbeddedOptions(NULL, Array, Array) #1 /web/htdocs/www.componentsandsystems.it/home/ in /web/htdocs/www.componentsandsystems.it/home/wp-content/plugins/task-scheduler/include/library/apf/factory/admin_page/_model/delegate/validaor/AdminPageFramework_Model__FormSubmission__Validator__Filter.php on line 110
Si è verificato un errore critico sul tuo sito web. Controlla la casella di posta dell’amministratore del sito per istruzioni.

URL: https://www.componentsandsystems.it/wp-admin/admin.php?page=ts_add_new&transient_key=TS_5f6db24e70579&tab=daily
Plugin version: 1.5.2

thanks for the support

The page I need help with: [log in to see the link]