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 ('570f815f7c090346d7e081882a583afe', -1, 1713865562, 1713865562, '0d3a524f', -10, 0, 0)

Line : 187
File : sessions.php