open file plugins/pub_cats/install.xml find line
PHP Code:
$result = $sbrDb->all('`title`, `path`', '`level`=1 AND `num_all_articles`>0', 0, 0, 'articles_categories');
and replace with
PHP Code:
$result = $sbrDb->all('`title`, `path`', '`num_all_articles`>0', 0, 0, 'articles_categories');