Fatal error: Uncaught TypeError: Return value of OPDashboard\is_provider_connected() must be of the type bool, null returned in /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/src/helpers.php:394 Stack trace: #0 /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/config/flow/actions.php(52): OPDashboard\is_provider_connected('kourses') #1 /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/config/flow.php(16): require('/home/customer/...') #2 /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/src/helpers.php(276): include('/home/customer/...') #3 /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/src/Providers/FlowProvider.php(87): OPDashboard\opd_config('flow.trigger_gr...') #4 /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/src/Providers/FlowProvider.php(31): OPDashboard\Providers\FlowProvider->listenLogin() #5 /home/cust in /home/customer/www/corsi.inglesevero.it/public_html/wp-content/plugins/op-dashboard/src/helpers.php on line 394