I have created one extension it is not working in my custom magento application(2.2.4) but it is working fine in default magento2.2.4.

I am getting error because of below code defaul.xml code:

<block class="HK\Hplus\Block\CheckIframe" name="hplus_checkiframe" template="HK_Hplus::checkiframe.phtml"/>


Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'block': This element is not expected. Expected is one of ( title, css, link, meta, script, remove, attribute ). Line: 715

When i run my page it is throwing above error I have disabled all third party extension still getting this issue. Same extension working fine in native magento.

  • You cannot add block to your head block on this way. Commented Jul 9, 2018 at 12:04
  • @SukumarGorai it is working fine in default magento 2.2.4 so i don't think that is the reason.
    – user69071
    Commented Jul 9, 2018 at 12:06
  • In default magento did you use the same code on default.xml? Commented Jul 9, 2018 at 12:08

1 Answer 1


You cannot add block to your head block in this way. If you want to add then you can use the below code:

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
        <referenceBlock name="head.additional">
            <block class="HK\Hplus\Block\CheckIframe" name="hplus_checkiframe" template="HK_Hplus::checkiframe.phtml" />

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