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 ('1b92be352b14b2f244700aaea3e995d2', -1, 1714316841, 1714316841, '030ca1a1', -9, 0)

Line : 158
File : sessions.php