templates/error.html

{% extends 'base.html' %}

{% block title %}Error{% endblock %}

{% block content %}
<div class="container mt-4">
    <h2>Error</h2>
    <div class="alert alert-danger" role="alert">
        {{ error_message }}
    </div>
    <a href="{{ url_for('infer.index') }}" class="btn btn-primary">Go Back to Home</a>
</div>
{% endblock %}