referenceBlock with group-attribute not allowed

[m-schreiber]

On loading a Product-View the following exception occurs:

1 exception(s):
Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2883

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2890

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2915

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2924


Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2883

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2890

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2915

Element 'referenceBlock', attribute 'group': The attribute 'group' is not allowed.
Line: 2924

#0 /var/www/vendor/magento/framework/Config/Dom.php(117): Magento\Framework\Config\Dom->_initDom('<layout xmlns:x...')

The reason is the use of the group-Attribute on referenceBlock-Tags inside Layout-XML:

theme-creativeshop/src/Magento_Catalog/layout/catalog_product_view.xml

Line 247 in c3a8c79

<referenceBlock name="product.info.description" group="column_left">

theme-creativeshop/src/Magento_Catalog/layout/catalog_product_view.xml

Line 255 in c3a8c79

<referenceBlock name="product.attributes" group="column_right">

theme-creativeshop/src/Magento_Catalog/layout/catalog_product_view.xml

Line 283 in c3a8c79

<referenceBlock name="catalog.product.related" group="detailed_info">

theme-creativeshop/src/Magento_Catalog/layout/catalog_product_view.xml

Line 295 in c3a8c79

<referenceBlock name="product.info.upsell" group="detailed_info">

[m-schreiber]

found one more:

1 exception(s):
Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'referenceBlock', attribute 'after': The attribute 'after' is not allowed.
Line: 2463


Exception #0 (Magento\Framework\Config\Dom\ValidationException): Element 'referenceBlock', attribute 'after': The attribute 'after' is not allowed.
Line: 2463

theme-creativeshop/src/Magento_Customer/layout/customer_account.xml

Line 89 in c3a8c79

<referenceBlock name="customer-account-navigation-account-edit-link" after="customer-account-navigation-address-link">

[m-schreiber]

by the way - the first two can be fixed by replacing them with this:
src/Magento_Catalog/layout/catalog_product_view.xml

<referenceBlock name="product.info.details.main">
            <block class="Magento\Catalog\Block\Product\View\Description" name="product.info.description" as="description" template="Magento_Catalog::product/view/attribute.phtml" group="column_left">
                <arguments>
                    <argument name="title" translate="true" xsi:type="string">Description</argument>
                    <argument name="contain_content" xsi:type="boolean">false</argument>
                    <argument name="sort_order" xsi:type="string">10</argument>
                    <argument name="at_call" xsi:type="string">getDescription</argument>
                    <argument name="at_code" xsi:type="string">description</argument>
                    <argument name="css_class" xsi:type="string">description</argument>
                    <argument name="at_label" xsi:type="string">none</argument>
                </arguments>
            </block>
            <block class="Magento\Catalog\Block\Product\View\Attributes" name="product.attributes" as="additional" template="Magento_Catalog::product/view/attributes.phtml" group="column_right">
                <arguments>
                    <argument name="contain_content" xsi:type="boolean">false</argument>
                    <argument name="sort_order" xsi:type="string">20</argument>
                    <argument translate="true" name="title" xsi:type="string">More Information</argument>
                </arguments>
            </block>
        </referenceBlock>

[seyuf]

Any update on this issue?
Can’t we just remove the group attributes for the moment?
It seems to be working fine without...

[krzksz]

Thanks for your report, we are working on this issue and will provide a fix for it.

[berbua]

Exceptions reported on Jul 17th fixed with bbec940

[berbua]

Hello @m-schreiber, please be informed that the issue related to group attribute has been reported to Magento:
magento/magento2#24656

[viliusramulionis]

Hello,

Im getting the same error.
Running magento 2.3.3 and Magesuite 3.0
Product page doesn't work unless i modify theme-creativeshop's layout file to remove groups from referenceBlock tags.

Some help would be appreciated.

[krzksz]

Hello @viliusramulionis, as we outlined in the magento/magento2#24656 it is an issue with the XML validator itself. Until it is fixed, the temporary solution is to switch from developer to default mode when developing the shop as in both default and production modes everything is fine.

[Flowlance]

Same issue here in developer mode.

[tim-breitenstein-it]

Still exists on Magento 2.4.2

[tim-breitenstein-it]

Still exists on Magento 2.4.2-p1

[fritzmg]

@tim-breitenstein-it according to the aforementioned ticket, it will be fixed in Magento 2.4.3.

[fritzmg]

Magento 2.4.3 was released recently, however this issue still exists there unfortunately.

[fritzmg]

Until this is actually fixed in Magento itself, you can do the following:

1. Run composer require cweagans/composer-patches.
2. Create a patches/allow-group-attribute-for-referenceblock.patch file with this [1] content.
3. Add this [2] to your composer.json.
4. Run composer install to apply the actual patch.

[1]

--- a/vendor/magento/framework/View/Layout/etc/elements.xsd
+++ b/vendor/magento/framework/View/Layout/etc/elements.xsd
@@ -328,6 +328,7 @@
         <xs:attribute type="elementNameType" name="name" use="required"/>
         <xs:attribute type="xs:string" name="template" use="optional"/>
         <xs:attribute type="xs:string" name="class" use="optional"/>
+        <xs:attribute type="xs:string" name="group" use="optional"/>
         <xs:attribute type="xs:boolean" name="display" default="true" use="optional"/>
         <xs:attribute type="xs:boolean" name="remove" use="optional"/>
     </xs:complexType>

[2]

    "extra": {
        "patches": {
            "magento/framework": {
                "Allow group attribute for referenceBlock": "patches/allow-group-attribute-for-referenceblock.patch"
            }
        }
    }