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 ('e96d83e505e024008cf93569b6f495c5', -1, 1749459752, 1749459752, 'd849d80c', 2, 0, 0)

Line : 187
File : sessions.php