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 ('794dca37c02bea5ec50c7d566c363b94', -1, 1737594139, 1737594139, '0381d39c', -9, 0, 0)

Line : 187
File : sessions.php