magento - fix missing order and invoice grid data

fix-order-grid.php

<?php

include_once 'abstract.php';

class FixOrderGrid extends Mage_Shell_Abstract
{
    /**
     * Run script
     *
     */
    public function run()
    {
        // repopulate order grid data
        $orderIds = Mage::getResourceModel('sales/order_collection')->getAllIds();
        Mage::getModel('sales/order')->getResource()->updateGridRecords($orderIds);

        // repopulate invoice grid data
        $invoiceIds = Mage::getResourceModel('sales/order_invoice_collection')->getAllIds();
        Mage::getModel('sales/order_invoice')->getResource()->updateGridRecords($invoiceIds);
    }
}

$shell = new FixOrderGrid();
$shell->run();