[eilandgirl]

When attempting to send a book to Kindle this error message comes up:

calibre, version 0.8.64
ERROR: Error: Error communicating with device
The reader has no storage card in this slot.
Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 83, in run
File "site-packages\calibre\gui2\device.py", line 478, in _upload_books
File "site-packages\calibre\devices\usbms\driver.py", line 256, in upload_books
File "site-packages\calibre\devices\usbms\device.py", line 979, in _sanity_check
ValueError: The reader has no storage card in this slot.

Please help