phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639547c40f91677890fa99f3e886634c' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('639547c40f91677890fa99f3e886634c', -1, 1713886054, 1713886054, '12dfacfc', -10, 0, 0)

Line : 187
File : sessions.php