[CSL]

I just installed calibre on my sony 500, works fine and finds the reader. However each time I try to upload a book, I get this path error. Im stumped,
Job: **Upload 1 books to device:The Crisis**
**PathError**: Could not create file /Data/media/books/The_Crisis_-_Winston_Churchill_2.lrf. Response code: 0xffffffd7L
**Traceback**:
Traceback (most recent call last):
File "calibre\gui2\device.pyo", line 38, in run
File "calibre\gui2\device.pyo", line 168, in _upload_books
File "calibre\devices\prs500\driver.pyo", line 159, in run_session
File "calibre\devices\prs500\driver.pyo", line 870, in upload_books
File "calibre\devices\prs500\driver.pyo", line 159, in run_session
File "calibre\devices\prs500\driver.pyo", line 688, in put_file
File "calibre\devices\prs500\driver.pyo", line 159, in run_session
File "calibre\devices\prs500\driver.pyo", line 654, in touch
PathError: Could not create file /Data/media/books/The_Crisis_-_Winston_Churchill_2.lrf. Response code: 0xffffffd7L