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 ('f070ae1fd0298d2d5a03df9a1777f5eb', -1, 1715236588, 1715236588, '0314cde4', -2, 0, 0)

Line : 189
File : sessions.php