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 ('0dc2d745d67dd33cf7a03ec9d0272c4c', -1, 1714793706, 1714793706, '0d3a524f', 18, 0)

Line : 158
File : sessions.php