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 ('e8572a5102b84bee19e1945ca0b1dcd9', -1, 1715261032, 1715261032, '038ac842', -8, 0, 0)

Line : 189
File : sessions.php