Magento 2 Array to string conversion in lib/internal/Magento/Framework/Data/Form/Element/Select.php on line 135

Question

I am running Magento 2 CE 2.4.2 and I am facing issue each time I am deleting a product, I cannot access the product catalog from admin backend and I get this error :

Exception #0 (Exception): Notice: Array to string conversion in ///***/lib/internal/Magento/Framework/Data/Form/Element/Select.php on line 135

Here is the line 135 of the Select.php :

$html .= '>' . $this->_escape($option['label']) . '</option>' . "\n";

I didn't make any changes in this file, so I don't understand from where the problem can come and I have zero skills in php ....

Here is the full code of my Select.php :

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Framework\Data\Form\Element;

use Magento\Framework\App\ObjectManager;
use Magento\Framework\Escaper;
use Magento\Framework\Math\Random;
use Magento\Framework\View\Helper\SecureHtmlRenderer;

/**
 * Form select element
 *
 * @api
 * @author      Magento Core Team <[email protected]>
 * @since 100.0.2
 */
class Select extends AbstractElement
{
    /**
     * @var SecureHtmlRenderer
     */
    private $secureRenderer;

    /**
     * @var Random
     */
    private $random;

    /**
     * @param Factory $factoryElement
     * @param CollectionFactory $factoryCollection
     * @param Escaper $escaper
     * @param array $data
     * @param SecureHtmlRenderer|null $secureRenderer
     * @param Random|null $random
     */
    public function __construct(
        Factory $factoryElement,
        CollectionFactory $factoryCollection,
        Escaper $escaper,
        $data = [],
        ?SecureHtmlRenderer $secureRenderer = null,
        ?Random $random = null
    ) {
        $secureRenderer = $secureRenderer ?? ObjectManager::getInstance()->get(SecureHtmlRenderer::class);
        $random = $random ?? ObjectManager::getInstance()->get(Random::class);
        parent::__construct($factoryElement, $factoryCollection, $escaper, $data, $secureRenderer, $random);
        $this->setType('select');
        $this->setExtType('combobox');
        $this->_prepareOptions();
        $this->secureRenderer = $secureRenderer;
        $this->random = $random;
    }

    /**
     * Get the element Html.
     *
     * @return string
     */
    public function getElementHtml()
    {
        $this->addClass('select admin__control-select');

        $html = '';
        if ($this->getBeforeElementHtml()) {
            $html .= '<label class="addbefore" for="' .
                $this->getHtmlId() .
                '">' .
                $this->getBeforeElementHtml() .
                '</label>';
        }

        $html .= '<select id="' . $this->getHtmlId() . '" name="' . $this->getName() . '" ' . $this->serialize(
            $this->getHtmlAttributes()
        ) . $this->_getUiId() . '>' . "\n";

        $value = $this->getValue();
        if (!is_array($value)) {
            $value = [$value];
        }

        if ($values = $this->getValues()) {
            foreach ($values as $key => $option) {
                if (!is_array($option)) {
                    $html .= $this->_optionToHtml(['value' => $key, 'label' => $option], $value);
                } elseif (is_array($option['value'])) {
                    $html .= '<optgroup label="' . $option['label'] . '">' . "\n";
                    foreach ($option['value'] as $groupItem) {
                        $html .= $this->_optionToHtml($groupItem, $value);
                    }
                    $html .= '</optgroup>' . "\n";
                } else {
                    $html .= $this->_optionToHtml($option, $value);
                }
            }
        }

        $html .= '</select>' . "\n";
        if ($this->getAfterElementHtml()) {
            $html .= '<label class="addafter" for="' .
                $this->getHtmlId() .
                '">' .
                "\n{$this->getAfterElementHtml()}\n" .
                '</label>' .
                "\n";
        }
        return $html;
    }

    /**
     * Format an option as Html
     *
     * @param array $option
     * @param array $selected
     * @return string
     */
    protected function _optionToHtml($option, $selected)
    {
        if (is_array($option['value'])) {
            $html = '<optgroup label="' . $option['label'] . '">' . "\n";
            foreach ($option['value'] as $groupItem) {
                $html .= $this->_optionToHtml($groupItem, $selected);
            }
            $html .= '</optgroup>' . "\n";
        } else {
            $optionId = 'optId' .$this->random->getRandomString(8);
            $html = '<option value="' . $this->_escape($option['value']) . '" id="' .$optionId .'" ';
            $html .= isset($option['title']) ? 'title="' . $this->_escape($option['title']) . '"' : '';
            if (in_array($option['value'], $selected)) {
                $html .= ' selected="selected"';
            }
            $html .= '>' . $this->_escape($option['label']) . '</option>' . "\n";
            if (!empty($option['style'])) {
                $html .= $this->secureRenderer->renderStyleAsTag($option['style'], "#$optionId");
            }
        }
        return $html;
    }

    /**
     * Prepare options.
     *
     * @return void
     */
    protected function _prepareOptions()
    {
        $values = $this->getValues();
        if (empty($values)) {
            $options = $this->getOptions();
            if (is_array($options)) {
                $values = [];
                foreach ($options as $value => $label) {
                    $values[] = ['value' => $value, 'label' => $label];
                }
            } elseif (is_string($options)) {
                $values = [['value' => $options, 'label' => $options]];
            }
            $this->setValues($values);
        }
    }

    /**
     * Get the Html attributes.
     *
     * @return string[]
     */
    public function getHtmlAttributes()
    {
        return [
            'title',
            'class',
            'style',
            'onclick',
            'onchange',
            'disabled',
            'readonly',
            'tabindex',
            'data-form-part',
            'data-role',
            'data-action'
        ];
    }
}

I found a post with similar issue but nothing to fix this. Any help would be much appreciated. Thanks

Answer 1

I think one of the modules you installed is causing this error. You can disable each module and check which module is the cause.