fix

booking.emails_admin.inc

@@ -510,7 +510,7 @@ function _booking_email_get_default_selection_callback($form, $form_state) {
 			ajax_command_replace("#booking_email_default_ids_wrapper", $output_html),
 			// This will call the command bookingEmailIDs in our custom JS file.
 			array('command' => 'bookingAjaxCheckboxes', 
-				'formDataElement' => 'booking_email_default_ids'
+				'formDataElement' => 'booking_email_default_ids',
 				'formName' => 'booking_manual_email_form',
 				'checkboxName' => 'table',
 			),