phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4fa1cb1373eb608d0340e2bdbd003e4' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a4fa1cb1373eb608d0340e2bdbd003e4', -1, 1715775456, 1715775456, '03116e3a', -8, 0, 0)

Line : 187
File : sessions.php