phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639c3d8c29366c765af8c9ad6bdd1d39' 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 ('639c3d8c29366c765af8c9ad6bdd1d39', -1, 1714341541, 1714341541, '030f9c8c', -8, 0, 0)

Line : 187
File : sessions.php