phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '640659c3e6d925248004a391a86663cc' 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 ('640659c3e6d925248004a391a86663cc', -1, 1714281233, 1714281233, '12dd6559', 12, 0, 0)

Line : 187
File : sessions.php