[HowardBrazee]

How do I correct an error I've been getting lately?

calibre, version 2.12.0
ERROR: Unhandled exception: <b>Exception</b>:Failed to open u'/Users/HBrazee/Calibre Library/Georgette Heyer/Unknown Ajax (4778)/cover.jpg' with error: [Errno 24] Too many open files: u'/Users/HBrazee/Calibre Library/Georgette Heyer/Unknown Ajax (4778)/cover.jpg'

Traceback (most recent call last):
File "site-packages/calibre/gui2/cover_flow.py", line 117, in image
File "site-packages/calibre/gui2/library/models.py", line 681, in cover
File "site-packages/calibre/db/legacy.py", line 332, in cover
File "site-packages/calibre/db/cache.py", line 641, in cover
File "site-packages/calibre/db/cache.py", line 57, in call_func_with_lock
File "site-packages/calibre/db/cache.py", line 682, in copy_cover_to
File "site-packages/calibre/db/backend.py", line 1294, in copy_cover_to
Exception: Failed to open u'/Users/HBrazee/Calibre Library/Georgette Heyer/Unknown Ajax (4778)/cover.jpg' with error: [Errno 24] Too many open files: u'/Users/HBrazee/Calibre Library/Georgette Heyer/Unknown Ajax (4778)/cover.jpg'