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 ('517bfbef1a5c6b7f24e3977b3761d607', -1, 1715278491, 1715278491, '12e040e2', -10, 0, 0)

Line : 189
File : sessions.php