phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff12c9ab1b6acba8bfb50537900f89f0' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ff12c9ab1b6acba8bfb50537900f89f0', -1, 1714870532, 1714870532, '12dda5f6', 6, 0, 0)

Line : 187
File : sessions.php