phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '30dfaf9432bba4b5368ee09f8a79a408' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('30dfaf9432bba4b5368ee09f8a79a408', -1, 1757464808, 1757464808, 'd849d822', -4, 0, 0)

Line : 187
File : sessions.php