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 ('4632a20991669d6e33d0e25ee14ed753', -1, 1714776791, 1714776791, '12dc01ef', -9, 0)

Line : 158
File : sessions.php