# Fehler bei der Plugin-Installation

**URL:** https://forum.shopware.com/t/fehler-bei-der-plugin-installation/87921
**Category:** Shopware 6 (German)
**Tags:** general, administration, offizielle-shopware-, other, installation--gettin
**Created:** [26. Mai 2021 um 20:47 UTC](https://forum.shopware.com/t/fehler-bei-der-plugin-installation/87921 "2021-05-26T20:47:24Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Schmax](https://avatars.discourse-cdn.com/v4/letter/s/ecd19e/32.png) [@Schmax](https://forum.shopware.com/u/Schmax)
#### Post date: [26. Mai 2021 um 20:47 UTC](https://forum.shopware.com/t/fehler-bei-der-plugin-installation/87921/1 "2021-05-26T20:47:24Z")

</div>

Fehler bei Plugin-Installation

 ![](https://europe1.discourse-cdn.com/flex013/uploads/shopware/original/2X/a/a62bd74d8a436bc77613179ef29bb214cd945d49.png)

Argument 1 passed to Shopware\Core\Framework\Store\Struct\CartPositionCollection::\_\_construct() must be iterable, null given, called in /var/www/html/vendor/shopware/core/Framework/Store/Struct/CartStruct.php on line 44

/var/www/html/vendor/shopware/core/Framework/Store/Struct/CartStruct.php:

```
public static function fromArray(array $data): CartStruct
{

```

line 44 → ` $data['positions'] = new CartPositionCollection($data['positions']);`

```
    return (new self())->assign($data);
}
```