phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c8a98b40f9965eaf9ec62443f59cfc65', -1, 1752849147, 1752849147, 'd849d8cf', 42, 0, 0)

Line : 190
File : sessions.php