Resolved based on similar issue: http://forums.b2evolution.net/viewtopic.php?t=5886

Solution:

	
<?php } else { ?>
      <input type='hidden' name='blog_access_type' value='<?php echo $blog_access_type ?>' />
	  <input type='hidden' name='blog_siteurl' value='<?php echo $blog_siteurl ?>' />
	  <input type='hidden' name='blog_stub' value='<?php echo $blog_stub ?>' />

	<?php } ?>