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 ('a33550fb8c243df1d0480ede7dae7f77', -1, 1715255289, 1715255289, '038ab377', -10, 0, 0)

Line : 189
File : sessions.php