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 ('0dc6d911dc0c0429c23e198cc18b3f9e', -1, 1737597647, 1737597647, '12741c7b', -9, 0, 0)

Line : 187
File : sessions.php