Got error 28 from storage engine
SELECT * FROM Publicite LEFT JOIN PubliciteStat ON ( PubliciteStat.ID_Publicite=Publicite.ID_Publicite AND PubliciteStat.Date ='2015-08-03') WHERE Publicite.ID_PubliciteFormat ='0000000001' AND Publicite.Visible=1 ORDER BY PubliciteStat.NbAffichage ASC , RAND( )
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