[Bluesnowan]

So trying to check some comics I have getting this error not sure what is going on.

Please help.

calibre, version 6.11.0
ERROR: Unhandled error: Failed to read book data from calibre library. Click "Show details" for more information

Traceback (most recent call last):
File "calibre\db\backend.py", line 1540, in copy_cover_to
OSError: [Errno 22] Invalid argument: 'D:\\Dropbox\\Calibre Library\\Unknown\\001 Lobo Annual, 1993-01-00 (#01) (d (4)\\cover.jpg'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre\db\backend.py", line 1544, in copy_cover_to
OSError: [Errno 22] Invalid argument: 'D:\\Dropbox\\Calibre Library\\Unknown\\001 Lobo Annual, 1993-01-00 (#01) (d (4)\\cover.jpg'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre\gui2\library\models.py", line 631, in current_changed
File "calibre\gui2\library\models.py", line 608, in get_book_display_info
File "calibre\gui2\library\models.py", line 803, in cover
File "calibre\db\legacy.py", line 447, in cover
File "calibre\db\cache.py", line 1004, in cover
File "calibre\db\cache.py", line 77, in call_func_with_lock
File "calibre\db\cache.py", line 1039, in copy_cover_to
File "calibre\db\backend.py", line 1547, in copy_cover_to
Exception: Failed to open 'D:\\Dropbox\\Calibre Library\\Unknown\\001 Lobo Annual, 1993-01-00 (#01) (d (4)\\cover.jpg' with error: [Errno 22] Invalid argument: 'D:\\Dropbox\\Calibre Library\\Unknown\\001 Lobo Annual, 1993-01-00 (#01) (d (4)\\cover.jpg'