Title: Unknown Syntax Error
Last modified: August 31, 2016

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# Unknown Syntax Error

 *  [mrtechnique](https://wordpress.org/support/users/mrtechnique/)
 * (@mrtechnique)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/unknown-syntax-error/)
 * This is what Google Webmaster Tools is saying about my AMP blog posts:
 * Unkown syntax errors: src=about:blank
 * Here’s an AMP page:
 * [https://www.mrtechnique.com/how-to-pass-yelp-review-filter/amp/](https://www.mrtechnique.com/how-to-pass-yelp-review-filter/amp/)
 * I have the Yoast AMP plugin installed, also. What do I need to do?
 * [https://wordpress.org/plugins/amp/](https://wordpress.org/plugins/amp/)

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [neotrope](https://wordpress.org/support/users/neotrope/)
 * (@neotrope)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/unknown-syntax-error/#post-7194204)
 * fix bad iframe error …
 * `<amp-iframe src="about:blank" sandbox="allow-scripts allow-same-origin" height
   ="400" layout="fixed-height"><div placeholder="" class="amp-wp-iframe-placeholder"
   ></div></amp-iframe>`
 *  [neotrope](https://wordpress.org/support/users/neotrope/)
 * (@neotrope)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/unknown-syntax-error/#post-7194206)
 * Also make sure if using Yoast SEO with AMP, that you also use the ‘AMP GLUE” 
   for Yoast SEO add-on plugin.
 *  Thread Starter [mrtechnique](https://wordpress.org/support/users/mrtechnique/)
 * (@mrtechnique)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/unknown-syntax-error/#post-7194292)
 * I have that plugin installed. I followed the instructions on the Yoast blog about
   making my blog posts AMP ready.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Unknown Syntax Error’ is closed to new replies.

 * ![](https://ps.w.org/amp/assets/icon.svg?rev=2527602)
 * [AMP](https://wordpress.org/plugins/amp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/amp/#faq)
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 * 3 replies
 * 2 participants
 * Last reply from: [mrtechnique](https://wordpress.org/support/users/mrtechnique/)
 * Last activity: [10 years, 2 months ago](https://wordpress.org/support/topic/unknown-syntax-error/#post-7194292)
 * Status: not resolved