phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '79736d3cce1978671244cb0162216ee4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('79736d3cce1978671244cb0162216ee4', -1, 1781552880, 1781552880, 'd849d849', 2, 0)

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