phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6d78d38b21ac23d92b1d4b5f6e8c4540' for key 'PRIMARY'

INSERT INTO bb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6d78d38b21ac23d92b1d4b5f6e8c4540', -1, 1740134505, 1740134505, '12db65e0', 1, 0, 0)

Line : 187
File : sessions.php