phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9e178c664f5f81bfa2282dd0a3c0a216' for key 'PRIMARY'

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9e178c664f5f81bfa2282dd0a3c0a216', -1, 1766161666, 1766161666, 'd849d8a3', 4, 0, 0)

Line : 186
File : sessions.php