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 ('53a93c1d379f5287b0394b95d077d41e', -1, 1740079785, 1740079785, '12e0a97b', 3, 0, 0)

Line : 189
File : sessions.php