It’s solved now.
I setup cron from my cpanel and that fixed it.
Finally I have solved six of them using & instead of only &. But one problem still there. It caused in the pinterest button url. Here is the marked problem by W3C Validator:
Error Line 192, Column 2158: Bad value for attribute href on element a: Whitespace in query component. Use %20 in place of spaces.
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Syntax of IRI reference:
Any URL. For example: /hello, #canvas, or http://example.org/. Characters should be represented in NFC and spaces should be escaped as %20.
I think, it is because of the description in the href. Can you please tell me how can I encode it? It’s the last problem I faced but couldn’t make any solution yet.
Thank you very much. The problem has been resolved.