phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8e6530b3cc64db57939d75b00c4806d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('c8e6530b3cc64db57939d75b00c4806d', -1, 1771940806, 1771940806, 'd849d892', -9, 0)

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