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 ('19ae1aeda2aef63c98af2c3cd51baeae', -1, 1748171515, 1748171515, '12e0170c', -9, 0, 0)

Line : 190
File : sessions.php