Title: Error: Attribute xmlns:v not allowed here.
Last modified: August 31, 2016

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# Error: Attribute xmlns:v not allowed here.

 *  Resolved [Dariusz](https://wordpress.org/support/users/idarek/)
 * (@idarek)
 * [10 years, 3 months ago](https://wordpress.org/support/topic/error-attribute-xmlnsv-not-allowed-here/)
 * Hello,
    Breadcrumb part of Yoast SEO is causing Error issue on validation process.
   How this can be solved?
 * Error: Attribute xmlns:v not allowed here.
    <span xmlns:v=”[http://rdf.data-vocabulary.org/#”&gt](http://rdf.data-vocabulary.org/#”&gt);
 * [https://wordpress.org/plugins/wordpress-seo/](https://wordpress.org/plugins/wordpress-seo/)

The topic ‘Error: Attribute xmlns:v not allowed here.’ is closed to new replies.

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## Tags

 * [validate](https://wordpress.org/support/topic-tag/validate/)

 * 0 replies
 * 1 participant
 * Last reply from: [Dariusz](https://wordpress.org/support/users/idarek/)
 * Last activity: [10 years, 3 months ago](https://wordpress.org/support/topic/error-attribute-xmlnsv-not-allowed-here/)
 * Status: resolved