query DELETE FROM sessions WHERE login_ip = '38.107.179.244' OR login_ip = '38.107.179.241' error (count : 2 )

WARNING : pg_query() [function.pg-query]: Query failed: ERROR: column "login_ip" does not exist LINE 1: DELETE FROM sessions WHERE login_ip = '38.107.179.244' OR lo... ^ : /usr/share/php5/SHJ/DB/PostgreSQL.inc : 152