Asking help in transmitting data

I've got the next message in calibre which recognised my DPS9 tablet but did't transmit any book. Previously it worked well:help:d.

calibre, version 0.9.13
HIBA: Hiba: Hiba az eszközkapcsolatban

Failed to create folder: hr=2147500037 facility=0 error_code=16389 description: Meghatározatlan hiba


Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 85, in run
File "site-packages\calibre\gui2\device.py", line 551, in _upload_books
File "site-packages\calibre\devices\mtp\driver.py", line 400, in upload_books
File "site-packages\calibre\devices\mtp\driver.py", line 376, in ensure_parent
File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
File "site-packages\calibre\devices\mtp\windows\driver.py", line 381, in create_folder
WPDError: Failed to create folder: hr=2147500037 facility=0 error_code=16389 description: Meghatározatlan hiba