phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff413a1906bca434e010ead7de9a9f0f' 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) VALUES ('ff413a1906bca434e010ead7de9a9f0f', -1, 1759035245, 1759035245, 'd849d81f', -4, 0, 0)

Line : 187
File : sessions.php