phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9c47dcce4a7fb01b8396a8e98df4d59c' 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 ('9c47dcce4a7fb01b8396a8e98df4d59c', -1, 1714800743, 1714800743, '0386765f', -4, 0, 0)

Line : 187
File : sessions.php