phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd6a301f977e4d8fdac22d578c71b5ef2' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d6a301f977e4d8fdac22d578c71b5ef2', -1, 1771346933, 1771346933, 'd849d87b', -2, 0)

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