phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6c6db7cb2b1e944ba5c1669ba09a2fde' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6c6db7cb2b1e944ba5c1669ba09a2fde', -1, 1757983487, 1757983487, 'd849d809', -9, 0, 0)

Line : 187
File : sessions.php