phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '647ba5a220e30a468b600f9a78231628' 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 ('647ba5a220e30a468b600f9a78231628', -1, 1714448100, 1714448100, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php