Fatal error: Uncaught Error: Class "FrmOnSubmitAction" not found in /htdocs/wp-content/plugins/formidable/classes/controllers/FrmFormActionsController.php:641
Stack trace:
#0 /htdocs/wp-content/plugins/formidable/classes/controllers/FrmFormActionsController.php(81): Frm_Form_Action_Factory->register('FrmOnSubmitActi...')
#1 /htdocs/wp-content/plugins/formidable/classes/controllers/FrmFormActionsController.php(42): FrmFormActionsController::register_actions()
#2 /htdocs/wp-content/plugins/formidable/classes/controllers/FrmFormActionsController.php(37): FrmFormActionsController::actions_init()
#3 /htdocs/wp-includes/class-wp-hook.php(324): FrmFormActionsController::register_post_types('')
#4 /htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#5 /htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /htdocs/wp-settings.php(700): do_action('init')
#7 /htdocs/wp-config.php(92): require_once('/htdocs/wp-sett...')
#8 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#9 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#10 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#11 {main}
thrown in /htdocs/wp-content/plugins/formidable/classes/controllers/FrmFormActionsController.php on line 641