phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3ad9c478e9ff2439adba7965b20c990c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3ad9c478e9ff2439adba7965b20c990c', -1, 1714943184, 1714943184, '00000000', -10, 0, 0)

Line : 187
File : sessions.php