2013 - Lost connection to MySQL server during query

select pd.language_id, p.products_id, pd.products_name, pd.products_description, pd.products_head_title_tag, pd.products_head_keywords_tag, pd.products_head_desc_tag, p.products_model, p.products_quantity, p.products_image, pd.products_url, p.products_price, p.products_tax_class_id, p.products_date_added, p.products_date_available, p.manufacturers_id from products p, products_description pd where p.products_id = '725234763' and pd.products_id = '725234763' and pd.language_id ='1'

TEP_DB_ERRORR

2006 - MySQL server has gone away

select count(*) as total from sessions where sesskey = '7d934b1cf1e5f816f50a2486a4c1b072'

TEP_DB_ERRORR