[figgs22]

calibre, version 0.7.49
ERROR: Error: Error communicating with device

[Errno 13] Permission denied

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 64, in run
File "site-packages\calibre\gui2\device.py", line 382, in _upload_books
File "site-packages\calibre\devices\usbms\driver.py", line 240, in upload_books
File "site-packages\calibre\devices\usbms\cli.py", line 60, in put_file
IOError: [Errno 13] Permission denied


im trying to use calibre to add some ebooks and pdf manga onto the SD card but it refuses to work and keeps doing this....what do i do? i tried allowing access to the downloads for all users like someone suggested on another post and it did nothing please help