error in load customer data

hello.

try to load customer data. run the task and got an error.

"error occurred in the data selection"

and warning:

"Processing (data packet): No data"

test infosource in rsa3, its return data.

when i try open infopackage text data, sap show message:

"Assign a language field to the IOBJ 0LANGU"

but when i try open attr infopackage its show nothing.

help plz. thank you!