phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c6ec1844612481885097062196da0db8' 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 ('c6ec1844612481885097062196da0db8', -1, 1755104257, 1755104257, 'd849d821', 9, 0, 0)

Line : 186
File : sessions.php