Errors tranferring large numbers of books

I have a Kobo Glo which doesn't "Glo" anymore, but still functions in all other aspects. I am using it as a backup and transferring 750 book blocks and getting errors everytime. here is just one:
calibre, version 2.52.0
ERROR: Error: Error communicating with device

Error -3 while decompressing: invalid distance too far back

Traceback (most recent call last):
File "site-packages/calibre/gui2/device.py", line 87, in run
File "site-packages/calibre/gui2/device.py", line 584, in _upload_books
File "calibre_plugins.kobotouch_extended.device.driver" , line 280, in upload_books
File "site-packages/calibre/devices/kobo/driver.py", line 1918, in upload_books
File "calibre_plugins.kobotouch_extended.device.driver" , line 179, in _modify_epub
File "site-packages/calibre/ebooks/oeb/polish/container.py", line 991, in __init__
File "site-packages/calibre/utils/localunzip.py", line 223, in extractall
File "site-packages/calibre/utils/localunzip.py", line 205, in _extractall
File "site-packages/calibre/utils/localunzip.py", line 158, in copy_compressed_file
error: Error -3 while decompressing: invalid distance too far back

There is a total of about 10,000 books and I get some sort of error after every single 750 book transfer.