msProductRemains. Учёт по нескольким опциям!

Notice: Undefined variable: config in /home/s3036/www/mspr_convert.php on line 20

Notice: Undefined variable: remains in /home/s3036/www/mspr_convert.php on line 34

Warning: Invalid argument supplied for foreach() in /home/s3036/www/mspr_convert.php on line 34
Done!

f (!is_array($options) || $options[0] == '' || $product->get('remains') == 0) {

if (!is_array($options) || $options[0] == '' || $msProductRemains->getRemains( $scriptProperties ) == 0) {

$msProductRemains = $modx->getService('msproductremains','msProductRemains',$modx->getOption('mspr_core_path',null,$modx->getOption('core_path').'components/msproductremains/').'model/msproductremains/',$scriptProperties);
if (!($msProductRemains instanceof msProductRemains)) return '';

POST https://mimikroha.ru/assets/components/minishop2/action.php 500 (Internal Server Error)

FastCGI sent in stderr: "PHP message: PHP Fatal error:  Call to a member function get() on null in /core/components/msproductremains/model/msproductremains/msproductremains.class.php on line 57" while reading response header from upstream, client***  request: "POST /assets/components/minishop2/action.php HTTP/1.1"

{'msOptions' | snippet: [
                'product' => $id,
                'options' => 'option_size',
                'tpl' => 'tpl-msOptions'
            ]}

{foreach $options as $name => $values}
    <div class="options-title"><b>{('ms2_product_' ~ $name) | lexicon}</b></div>
    {foreach $values as $value index=$index}
        <label class="options-label">
            <input type="radio" value="{$values[$index]}" name="options[{$name}]" {if $index == 0}checked="checked"{/if}/>
            <span>{$values[$index]}</span>
        </label>
    {/foreach}
{/foreach}