Invalid argument supplied for foreach()

Сайт на денвере. Преста 1.5.6.1

При переходе в товар(карточка товара) выдает следующее предупреждение:

1. Warning: Invalid argument supplied for foreach() in Z:\home\prestanew\www\classes\Product.php on line 2563
на 2563 строке:
foreach ($res as $row) {
$array_tmp = array(
'price' => $row['price'],
'ecotax' => $row['ecotax'],
'attribute_price' => (isset($row['attribute_price']) ? $row['attribute_price'] : null)
);
self::$_pricesLevel2[$cache_id_2][(int) $row['id_product_attribute']] = $array_tmp;

if (isset($row['default_on']) && $row['default_on'] == 1)
self::$_pricesLevel2[$cache_id_2][0] = $array_tmp;
}

2.Warning: Invalid argument supplied for foreach() in Z:\home\prestanew\www\classes\Hook.php on line 131
на 131 строке:
foreach ($result as $row)
$hook_ids[strtolower($row['name'])] = $row['id_hook'];
Cache::store($cache_id, $hook_ids);

3.Warning: Invalid argument supplied for foreach() in Z:\home\prestanew\www\classes\Hook.php on line 229

foreach ($results as $result)
{
if (!isset($list[$result['id_hook']]))
$list[$result['id_hook']] = array();

4.Warning: Invalid argument supplied for foreach() in Z:\home\prestanew\www\classes\tax\TaxRulesTaxManager.php on line 95


foreach ($rows as $row)
{
$tax = new Tax((int)$row['id_tax']);

$taxes[] = $tax;

// the applied behavior correspond to the most specific rules
if ($first_row)
{
$behavior = $row['behavior'];
$first_row = false;
}

if ($row['behavior'] == 0)
break;
}

5.Warning: Invalid argument supplied for foreach() in Z:\home\prestanew\www\classes\Tab.php on line 277

foreach ($result as $row)
self::$_getIdFromClassName[strtolower($row['class_name'])] = $row['id_tab'];
}

Не судите строго - с наскоку вникнуть не удалось.
Заранее благодарю за внимание.

 

Вы с нуля поднимали?
или дамп с другого места копировали?