[Forminator Pro] Forminator SEND action returns error

When pushing SEND from Forminator form i get this error:
Error: Fatal error: Uncaught Error: Class 'Forminator_CForm_View_Page' not found in /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/helpers/helper-fields.php:400 Stack trace: #0 /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/helpers/helper-fields.php(364): forminator_get_formatted_form_entry(Object(Forminator_Custom_Form_Model), Array, Object(Forminator_Form_Entry_Model)) #1 /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/modules/custom-forms/front/front-mail.php(132): forminator_replace_custom_form_data('You have a new ...', Object(Forminator_Custom_Form_Model), Array, Object(Forminator_Form_Entry_Model), Array) #2 /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/modules/custom-forms/front/front-action.php(508): Forminator_CForm_Front_Mail->process_mail(Object(Forminator_Custom_Form_Model), Array, Object(Forminator_Form_Entry_Model)) #3 /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/modules/custom-forms/front in /var/www/marketive.dk/public_html/wp-content/plugins/forminator/library/helpers/helper-fields.php on line 400

When pages are minified, the form doesnt show on pages.