phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e44c942c2e99d41ab940509f61b5e587' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('e44c942c2e99d41ab940509f61b5e587', -1, 1779760695, 1779760695, 'd849d8b3', -9, 0)

Line : 180
File : /www/includes/sessions.php