Upload file works one time

---
title: Apply For Job
cache_enable: false
onpage_menu: '1'
body_classes: modular header-lite fullwidth
bg_color: '#B4B093'
form:
  name: email/jobs
  action: /job
  fields:
    name:
      id: name
      label: Name
      classes: 'form-control form-control-lg'
      placeholder: 'Enter your name'
      autocomplete: 'on'
      type: text
      validate:
        required: true