phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a7798d193428b7b97ccae981de84b693' 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 ('a7798d193428b7b97ccae981de84b693', -1, 1714198945, 1714198945, 'ac4682cd', -4, 0, 0, '1708834c742f47c4274884628970b5d8')

Line : 187
File : sessions.php