When listing the blog entries per page using Tags, the following Error encounter:

Notice: Undefined variable: value in include() (line 36 of xxxx/themes/md-mdst/sites/all/themes/md_mdst/template/node--blog.tpl.php).
Notice: Undefined variable: value in include() (line 36 of xxxx/themes/md-mdst/sites/all/themes/md_mdst/template/node--blog.tpl.php).
Notice: Trying to get property of non-object in include() (line 36 of xxxx/themes/md-mdst/sites/all/themes/md_mdst/template/node--blog.tpl.php).

The errror is shown when you try to change from one page to another.

Any help?