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 ('52770e3418c0589e3df1cf2173defde6', -1, 1715274446, 1715274446, '12d9c227', -7, 0, 0)

Line : 189
File : sessions.php