замените
<div class="fields" style="display: none;"> <label for="quickDeliveryAddress" {% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}class="required"{% ENDIF %}>Улица{% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}<em>*</em>{% ENDIF %}</label> <div class="input-box"> <input type="text" id="quickDeliveryAddress" name="form[delivery][address]" value="{ORDER_FORM_DELIVERY_ADDRESS}" maxlength="500" class="input {% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}required{% ENDIF %}"/> </div> </div> <!-- Улица -->на
<input type="hidden" id="quickDeliveryAddress" name="form[delivery][address]" value="{ORDER_FORM_DELIVERY_ADDRESS}" maxlength="500" class="input {% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}required{% ENDIF %}"/> <!-- Улица -->