phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '247a6481f562c11fa97a3f198cc07af0' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('247a6481f562c11fa97a3f198cc07af0', -1, 1711659424, 1711659424, '2cc8b38a', -9, 0, 0)

Line : 187
File : sessions.php