phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78c64a7e838f0eed8a40a0533102fd81' 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 ('78c64a7e838f0eed8a40a0533102fd81', -1, 1715755037, 1715755037, '12dd421f', 0, 0, 0)

Line : 187
File : sessions.php