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 ('8f9cf5a1876b11fe93b5f97e0310191b', -1, 1737556231, 1737556231, '12e02046', -9, 0, 0)

Line : 187
File : sessions.php