phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b1517c0c981ff92d9f4799bc0e8fb7d4', -1, 1711722610, 1711722610, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php