Template Error

Variable "entry" does not exist.

/var/www/vhosts/hildeelbers.nl/craft/templates/therapist/index.html(5)

01 {% extends "_layout" %}
02 
03 {% block content %}
04 {% cache %}
05     {% set asset = entry.heroImage.first() %}
06     {% if asset %}
07         <div class="header-medium" style="background-image: url('{{ asset.url }}');">
08         
09         <meta property="og:image" content="{{ asset.url }}" />
10         <meta name="twitter:image" content="{{ asset.url }}" />
11         
12     {% endif %}
13         <div class="logo">
14             <h1><a href="{{ siteUrl }}">Hilde Elbers</a></h1>
15             {% if craft.locale == "nl" %}
16                 <span class="payoff">Coaching</span>
17             {% else %}
2024-03-29 07:51:13 Apache / Craft CMS 2.9.2