We have problem in VirtueMart that category and product detail page not working.

After removed some lines from below file, both page works well.

File Name : libraries/joomla/document/renderer/html/head.php
Error details : Argument 1 passed to Joomla\Utilities\ArrayHelper::toString() must be of the type array, string given, called in /var/www/clients/client1/web35/web/libraries/joomla/document/renderer/html/head.php on line 119

Line no 115 to 120

    // Generate link declarations
    foreach ($document->_links as $link => $linkAtrr)
        {
            $buffer .= $tab . '<link href="' . $link . '" ' . $linkAtrr['relType'] . '="' . $linkAtrr['relation'] . '"';

            if ($temp = ArrayHelper::toString($linkAtrr['attribs']))
            {
                $buffer .= ' ' . $temp;
            }

            $buffer .= ' />' . $lnEnd;
        }