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, session_admin) VALUES ('f0c651c4b2aa3256bf63f2ee64464e94', -1, 1747608337, 1747608337, '12d8ba7a', 2, 0, 0)

Line : 190
File : sessions.php