phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8d78e903bd30646c29f5fa7a1dbf6d7' 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 ('f8d78e903bd30646c29f5fa7a1dbf6d7', -1, 1714077638, 1714077638, 'ac46b33c', -8, 0, 0, '204e91179f6cac9b7f9655e55d0e24ff')

Line : 187
File : sessions.php