Temando Critical Error Magento 2.3.3

Question

Since my store has been updated to latest Magento 2.3.3 when I go to product page I got this error.

temando.CRITICAL: "accountId" is required. Enter and try again.

I have tried Setup:Update, Di:Compile and a lot of other similar things to get this working but of no use.
I don't want to disable this module as I need it.
So anyone have any solution please put it here.

Answer 1

To complete solve this you will need to disable the Termando module and delete their attributes (starting with ts_) ... not great but thats all we have this far

Answer 2

To remove the error without disabling the module remove source_model of attribute_code ts_packaging_id

via sql

UPDATE `eav_attribute` SET `source_model` = null WHERE `eav_attribute`.`attribute_code` = 'ts_packaging_id';

or via an UpgradeSchema.php (replace namespace and increment module version in module.xml)

class UpgradeSchema implements \Magento\Framework\Setup\UpgradeSchemaInterface{
/**
 * Eav setup factory
 * @var EavSetupFactory
 */
private $eavSetupFactory;

/**
 * Init
 * @param EavSetupFactory $eavSetupFactory
 */
public function __construct(\Magento\Eav\Setup\EavSetupFactory $eavSetupFactory)
{
    $this->eavSetupFactory = $eavSetupFactory;
}

/**
 *
 * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
 */
public function upgrade(\Magento\Framework\Setup\SchemaSetupInterface $setup, \Magento\Framework\Setup\ModuleContextInterface $context)
{
    $installer = $setup;
    $installer->startSetup();
    if (version_compare($context->getVersion(), '1.0.1', '<')) {
        $eavSetup = $this->eavSetupFactory->create();

        $id = $eavSetup->getAttributeId(
            \Magento\Catalog\Model\Product::ENTITY,
            'ts_packaging_id'
        );
        $eavSetup->updateAttribute(
            \Magento\Catalog\Model\Product::ENTITY,
            $id,
            'source_model',
            null
        );
    }
}

}