This usually happens when we start editing our blog templete or adding google verification. To over come this you need to do :-
Method 1.
Method 1.
- Go to Template on left hand side bar.
- Now click edit as HTML.
- Click on HTML page and hit Ctrl + F.
- Enter "<b:include data='blog' name='/>all-head-content'/>" .
- And replace it with <b:include data='blog' name='all-head-content'/>.
Method 2.
- Go to Template on left hand side bar.
- Now click edit as HTML.
- Click on HTML page and hit Ctrl + F.
- Look for name='all-head-content'/> and check data ='' .
- Replace the content inside quotes with blog .
If still unable to do here is sample code below:-
<head>
<meta expr:content='data:blog.isMobile ? "width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0" : "width=1100"' name='viewport'/>
<b:include data='blog' name='all-head-content'/>
<title><data:blog.pageTitle/></title>