Error: The itemprop attribute was specified, but the element is not a property of any item.
From line 981, column 97; to line 981, column 272
rop="url"><img width="75" height="90" src="mydomain/wp-content/uploads/2016/04/LOGO.png" class="custom-logo" alt="" itemprop="logo" /></a>
سلام اگر ممکنه رهنمایی کنید خطای itemprop رو در w3c چطور حل کنم؟!