[Terisa de morgan]

Originally Posted by ownedbycats

That mostly fixed it.

I did have to change the book's #lastread to 2024 or I got an error about it not matching the year, but it migrated (though it shows in the 2024 goal as rereading, which is a bit odd to me). Attempting to delete the book from 2023 deleted it in both years, I took a backup before trying this thankfully.

Unfortunately, I'm still getting a division-by-zero error on Statistics. I finished a book on 2023-12-31.

calibre, version 7.2.0
ERROR: Unhandled exception: <b>ZeroDivisionError</b>:division by zero

calibre 7.2  embedded-python: True
Windows-10-10.0.19045-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19045')
Python 3.11.5
Windows: ('10', '10.0.19045', 'SP0', 'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: DeACSM (0, 0, 16) && Gather KFX-ZIP (from KFX Input) (2, 7, 0) && DeDRM (10, 0, 9) && Package KFX (from KFX Input) (2, 7, 0) && Action Chains (1, 18, 20) && Baen (1, 1, 0) && Barnes & Noble (1, 5, 2) && CalibreSpy (1, 0, 92) && Comments Cleaner (1, 12, 0) && Count Pages (1, 13, 4) && Embed Comic Metadata (1, 6, 6) && EpubCheck (0, 2, 5) && EpubMerge (2, 17, 0) && EpubSplit (3, 6, 0) && Extract ISBN (1, 6, 0) && FanFicFare (4, 30, 0) && Fantastic Fiction (1, 6, 4) && Favourites Menu (1, 3, 0) && Find Duplicates (1, 10, 8) && Generate Cover (2, 3, 3) && GetFileName (0, 2, 0) && Goodreads (1, 7, 9) && Import List (1, 9, 1) && Job Spy (1, 0, 239) && KFX metadata reader (from KFX Input) (2, 7, 0) && From KFX (2, 7, 0) && KFX Input (2, 7, 0) && Kindle hi-res covers (0, 5, 0) && KindleUnpack - The Plugin (0, 83, 1) && Kobo Books (1, 9, 2) && Kobo Utilities (2, 16, 13) && KoboTouchExtended (3, 6, 7) && Last Modified (0, 8, 5) && Manage Series (1, 5, 1) && Modify ePub (1, 8, 2) && MultiColumnSearch (1, 0, 96) && Obok DeDRM (7, 2, 1) && Open With (1, 8, 1) && Overdrive Link (2, 57, 0) && Quality Check (1, 13, 6) && Reading Goal (1, 2, 4) && Reading List (1, 15, 1) && Search The Internet (1, 10, 4) && SmartEject (2, 5, 0) && Standard Ebooks (1, 0, 0) && Sum Column (0, 3, 3) && View Manager (1, 10, 2) && Walk Search History (1, 5, 3) && Overdrive Link Metadata Source (2, 57, 0)
Traceback (most recent call last):
  File "calibre_plugins.Reading_Goal.main", line 217, in manage_reading_goal
  File "calibre_plugins.Reading_Goal.main", line 2800, in statistics_main
  File "calibre_plugins.Reading_Goal.main", line 2704, in statistics_tree
ZeroDivisionError: division by zero

Same error here... and book finished at 2023-12-31 too.