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 ('212d89368d6a82c08f0f7d4fe08777d3', -1, 1747463424, 1747463424, '030c9a1a', 2, 0, 0)

Line : 190
File : sessions.php