phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('cf06d61a5b619a985e1767c5b1286a9b', -1, 1714390390, 1714390390, '03902ac4', -11, 0)

Line : 158
File : sessions.php