i am using fop2 lite 2.2 and i can not import contacts from a .csv file.

The file looks like this:

id,firstname,lastname,company,phone1,phone2,owner,private,picture,context
1,,ABC,,123,,123,no,,
2,,DEF,,321,,321,no,,
3,,XYZ,,567,,567,no,,
...

The Popup says:

Fehler
Could not copy uploaded file
ist die Datei leer ist?

I can manually create contacts.

Where is my mistake?

Thank you
and sorry for my bad english