error trying to load a file

[MMM286 MMM286]

Hi,

I'm newbie in mysql.

I'm tryng to load a file in a table with these sentence:

mysql> load data
-> INFILE "/home/david/copia seguridad qt/programa_mencoder/bdHoraAntena3"
-> into table horas;

But it gives me an error:
ERROR 1045 (28000): Access denied for user 'david'@'%' (using password: YES)

Could you help me please?
Many thanks and sorry for my english!