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 ('f64a54b60811b4b90a62e7070004467d', -1, 1748494161, 1748494161, '0390914d', -9, 0, 0)

Line : 190
File : sessions.php