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 ('0f324fc78690dcda95442bb7b6f2ea78', -1, 1730446250, 1730446250, '12deb3cc', -1, 0, 0)

Line : 195
File : sessions.php