下記のような記述箇所はtwigにございますでしょうか？
ご確認のほどよろしくお願いいたします。
{% if Product.stock_find %}
{% set form = forms[Product.id] %}
<form name="form{{ Product.id }}" id="productForm{{ Product.id }}" action="{{ url('product_add_cart', {id:Product.id}) }}" method="post">
<div class="ec-productRole__actions">
{% if form.classcategory_id1 is defined %}
<div class="ec-select">
{{ form_widget(form.classcategory_id1) }}
{{ form_errors(form.classcategory_id1) }}
</div>
{% if form.classcategory_id2 is defined %}
<div class="ec-select">
{{ form_widget(form.classcategory_id2) }}
{{ form_errors(form.classcategory_id2) }}
</div>
{% endif %}
{% endif %}
<div class="ec-numberInput"><span>{{ '数量'|trans }}</span>
{{ form_widget(form.quantity, {'attr': {'class': 'quantity'}}) }}
{{ form_errors(form.quantity) }}
</div>
</div>
{{ form_rest(form) }}
</form>
<div class="ec-productRole__btn">
<button type="submit" class="ec-blockBtn--action add-cart" data-cartid="{{ Product.id }}" form="productForm{{ Product.id }}">
{{ 'カートに入れる'|trans }}
</button>
</div>
{% else %}
<div class="ec-productRole__btn">
<button type="button" class="ec-blockBtn--action" disabled="disabled">
{{ 'ただいま品切れ中です。'|trans }}
</button>
</div>
{% endif %}