[ERROR] [cancel email] Unable to find template "@emails/premium_cancelled.html.twig" (looked into: /var/www/html/templates/backend/emails). [ERROR] [cancel email] Unable to find template "@emails/premium_cancelled.html.twig" (looked into: /var/www/html/templates/backend/emails). [ERROR] [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [ERROR] [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [ERROR] [welcome email] Unable to find template "emails/premium_welcome.html.twig" (looked into: /var/www/html/templates, /var/www/html/vendor/symfony/twig-bridge/Resources/views/Form). [ERROR] [welcome email] Unable to find template "emails/premium_welcome.html.twig" (looked into: /var/www/html/templates, /var/www/html/vendor/symfony/twig-bridge/Resources/views/Form). [payment_failed] Unable to find template "emails/payment_failed.html.twig" (looked into: /var/www/html/templates, /var/www/html/vendor/symfony/twig-bridge/Resources/views/Form). [payment_failed] Unable to find template "emails/payment_failed.html.twig" (looked into: /var/www/html/templates, /var/www/html/vendor/symfony/twig-bridge/Resources/views/Form). [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [payment_failed] Neither the property "firstName" nor one of the methods "firstName()", "getfirstName()"/"isfirstName()"/"hasfirstName()" or "__call()" exist and have public access in class "App\Entity\User". [ERROR constructEvent] Unable to extract timestamp and signatures from header