phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'df87f872cba7f08a15b7a715c261c43d' 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 ('df87f872cba7f08a15b7a715c261c43d', -1, 1714184384, 1714184384, 'ac450651', 2, 0, 0, '86c4a2e5bd614d51d8f516387a365e92')

Line : 187
File : sessions.php