title: OSError: File not found Odoo 13
body: <p>OSError: File not found: <code>library_app\security\library_security.xml</code>
  Im trying to upgrade my module but i'm getting this issue. </p>
  
  <p>This is my manifest</p>
  
  <pre><code>{
      'name': 'Library Management',
      'description': 'Manage library book catalogue and lending',
      'author': 'Nicolas Rondon',
      'depends': ['base'],
      'application': True,
      'data': [
          'security/library_security.xml',
          'security/ir.model.access.csv',
          'views/library_menu.xml',
      ]
  }
  </code></pre>
  
  <p>The xml</p>
  
  <pre><code>&lt;?xml version="1.0"?&gt;
  &lt;odoo&gt;
    &lt;record id="module_library_category" model="ir.module.category"&gt;
      &lt;field name="name"&gt;Library&lt;/field&gt;
    &lt;/record&gt;
  
    &lt;!-- Library User Group --&gt;
    &lt;record id="library_group_user" model="res.groups"&gt;
      &lt;field name="name"&gt;User&lt;/field&gt;
      &lt;field name="category_id"
             ref="module_library_category"/&gt;
      &lt;field name="implied_ids"
             eval="[(4, ref('base.group_user'))]"/&gt;
    &lt;/record&gt;
  
    &lt;!-- Library Manager Group --&gt;
    &lt;record id="library_group_manager" model="res.groups"&gt;
      &lt;field name="name"&gt;Manager&lt;/field&gt;
      &lt;field name="category_id"
             ref="module_library_category"/&gt;
      &lt;field name="implied_ids"
             eval="[(4, ref('library_group_user'))]"/&gt;
      &lt;field name="users"
             eval="[(4, ref('base.user_root')),
                    (4, ref('base.user_admin'))]"/&gt;
    &lt;/record&gt;
  &lt;/odoo&gt;
  </code></pre>
  
  <p>Actually I'm following <strong>Odoo-12-Development-Essentials-Fourth-Edition</strong> to learn Odoo. So my code is very similar to the book.</p>