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 ('423a6211bd6b0794cdf5a1ac94a29785', -1, 1753270170, 1753270170, 'd849d861', 42, 0, 0)

Line : 190
File : sessions.php