ULTIMATE Seo Urls 5 - by FWR Media in General Add-Ons Support Posted March 11, 2015 I have SEO URLs working properly for standard configuration, however, when I try to enable Header Tags as SEO name I get an error on the first page load. Warning: mysqli_free_result() expects parameter 1 to be mysqli_result, boolean given in /home/idp2/idp2.didyoube.com/includes/classes/seo.class.php on line 152 Then, all my products lose the SEO friendliness, instead just using the product id, e.g. "-p-28.html" I have header tags installed, so I wondered what was going on. Admittedly, I am not very familiar with how this module functions, but, a cursory glance turned up something (which may be nothing) In function generate_products_cache line 2015 is this: $sqlCmd = $this->attributes['USE_SEO_HEADER_TAGS'] == 'true' ? 'IF(pd.products_head_title_tag_url !="",pd.products_head_title_tag_url,pd.products_name) as name' : 'pd.products_name as name'; In my version of header tags, there is no products_head_title_tag_url in products_description. Rather, there is a products_seo_title. I changed all the products_head_tag_url references to products_seo_title and things seem to be working. Have I hack-created a frankenstein here by forcing two modules that weren't supposed to go together? Am I working with the wrong version of the header tags module?