Error 1055: Error in query "SELECT news_date, year(news_date) as news_year FROM news group by year(news_date) order by news_date desc" Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'belovabg_tata.news.news_date' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0 Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php5) in Unknown on line 0