I was created simple custom module in magento 2.1. And it's working fine in magento 2.1.9.
But today I tried to installe in magento 2.2 and it's shows this error:
1 exception(s): Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'item', attribute 'translate': The attribute 'translate' is not allowed. Line: 1920
Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'item', attribute 'translate': The attribute 'translate' is not allowed. Line: 1920
Here is file where generate this error
<referenceBlock name="checkout.root">
<arguments>
...
...
<item name="fee" xsi:type="array">
<item name="component" xsi:type="string">Vendor_Module/js/view/checkout/cart/totals/myfile</item>
<item name="config" xsi:type="array">
<item name="title" xsi:type="helper" translate="true" helper="Vendor\Module\Helper\Data::getCustomText"/>
</item>
</item>
...
...
</arguments>
</referenceBlock>