DB Error for Query
 INSERT INTO rf_stats (session_id, user_agent, lang, page_id, info_id) VALUES ('9cb3ffd5a23b8f0f55ae7a31da6443f7', 'CCBot/2.0 (https://commoncrawl.org/faq/)', 'de', '', '') 
: Incorrect integer value: '' for column 'page_id' at row 1