Error : page contains property ''image_url" which is not a part of schema.

This error are common on you webmaster tools, in structure data tools, the Error : page contains property ''image_url" which is not a part of schema.  also affect you site appearance in search engine, and the crawling for it .

Some times webmaster tools take time to update so check your site if its fixed before you start may be the issue is solved, to check us structure data tools  and they didn't update it, if its still appear then do the following :

 1- Go to you blogger that  have the error , my blogs -->  template---> edit html ---> expand widget

   and expand the widget as explained at the expand widget.

2- Search for the following code

<meta expr:content='data:post.firstImageUrl' itemprop='image_url'/>

4-replace it with following code:

<meta expr:content='data:post.firstImageUrl' itemprop='image'/>


Note: 

1. This code may be repeated several times so you have to replace it all to solve the issue. 
2. While you try to search for the code in the search box, or you wanna replace it by copy paste from here, may be it will not save because comma " or '  so try to rewrite the comma from your keyword it will save, because during copy paste sometimes this comma change in html.  

After you finish you can check your site also on structure data tools to check if its solve because webmaster  tools take time to update.

The next blogs to solve errors : blogid and postid and missing updated  and authorship.

and we will teach you how to expand widget in new interface blogger and How to ADD Meta tags in every post. 

Please leave a nice comment if this blog help you, and if have any question never hesitate to ask.