phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '64643d2f42b14143f874c1bdf5f2e655' 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 ('64643d2f42b14143f874c1bdf5f2e655', -1, 1714303593, 1714303593, '12e2226b', 39, 0, 0)

Line : 187
File : sessions.php