phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0406ff8c737b22b2d68e7ddbb4fd9b25', -1, 1715157528, 1715157528, '03865a2c', 3, 0, 0)

Line : 189
File : sessions.php