a strange error

I'm getting a weird error when trying to open my epubs

calibre, version 9.9.0
ERROR: Loading book failed: Failed to open the book at C:\Users\Owner\OneDrive\Documents\Calibre\Silver Gambit\With Key in Hand (3037)\With Key in Hand - Silver Gambit.epub. Click "Show details" for more info.

Failed to convert book: C:\Users\Owner\OneDrive\Documents\Calibre\Silver Gambit\With Key in Hand (3037)\With Key in Hand - Silver Gambit.epub with error:
calibre_plugins.comicvine.utils:228: SyntaxWarning: "\d" is an invalid escape sequence. Such sequences will not work in the future. Did you mean "\\d"? A raw string is also an option.
calibre_plugins.comicvine.utils:228: SyntaxWarning: "\g" is an invalid escape sequence. Such sequences will not work in the future. Did you mean "\\g"? A raw string is also an option.
calibre_plugins.comicvine.utils:234: SyntaxWarning: "\s" is an invalid escape sequence. Such sequences will not work in the future. Did you mean "\\s"? A raw string is also an option.
calibre_plugins.fantastic_fiction.__init__:96: SyntaxWarning: "\." is an invalid escape sequence. Such sequences will not work in the future. Did you mean "\\."? A raw string is also an option.
calibre_plugins.fantastic_fiction_adults.__init__: 128: SyntaxWarning: "\." is an invalid escape sequence. Such sequences will not work in the future. Did you mean "\\."? A raw string is also an option.