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 ('e0320559dafd183015e36c4d6e012270', -1, 1714043852, 1714043852, '03858d06', -10, 0, 0)

Line : 187
File : sessions.php