phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dd6df912490d67bf3dc0adb8b4457ce1' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('dd6df912490d67bf3dc0adb8b4457ce1', -1, 1766192375, 1766192375, 'd849d893', -9, 0)

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