Error viewing e-books in Calibre

Frequently after I add an ePub to Calibre and I try to view it I get the following error message. What is the problem? Thanks.

calibre, version 2.72.0
ERROR: Could not open ebook: Failed to read book, /Users/hugh/Calibre Library/William Stevenson/A Man Called Intrepid_ The Incredible True Story of the Master Spy Who Helped Win World War II (616)/A Man Called Intrepid_ The Incredible True - William Stevenson.epub click "Show Details" for more information

Traceback (most recent call last):
File "site-packages/calibre/utils/ipc/simple_worker.py", line 286, in main
File "site-packages/calibre/ebooks/oeb/iterator/book.py", line 64, in extract_book
File "site-packages/calibre/customize/conversion.py", line 245, in __call__
File "site-packages/calibre/ebooks/conversion/plugins/epub_input.py", line 238, in convert
File "site-packages/calibre/utils/localunzip.py", line 231, in extractall
File "site-packages/calibre/utils/localunzip.py", line 213, in _extractall
File "site-packages/calibre/utils/localunzip.py", line 163, in copy_compressed_file
ValueError: Invalid ZIP file, local header is damaged