phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d97b99a816f86c72a642bd5a31e2feb' 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, priv_session_id) VALUES ('5d97b99a816f86c72a642bd5a31e2feb', -1, 1711624463, 1711624463, 'ac468699', -1, 0, 0, '83c2002f77c94464c69bd2a8026e029f')

Line : 187
File : sessions.php