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 ('1a716d0e8ebc091b2799e9a82ab74e67', -1, 1713987188, 1713987188, '1275b796', 3, 0, 0)

Line : 187
File : sessions.php