I found a fix for this here.
Go to the ozh plugin folder/inc/core.php and change line 85 to this:
if ( 'none' === $item[6]|'div' === $item[6] )
I found a fix for this here.
Go to the ozh plugin folder/inc/core.php and change line 85 to this:
if ( 'none' === $item[6]|'div' === $item[6] )