Kovid, I have an error with Edit Metadata by clicking on the icon open tag editor. If I switch back to the normal version it works fine.
Spoiler:
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calibre, version 0.9.41
ERROR: Unhandled exception: <b>IndexError</b>:tuple index out of range
Traceback (most recent call last):
File "site-packages\calibre\gui2\metadata\single.py", line 313, in tags_editor
File "site-packages\calibre\gui2\metadata\basic_widgets.py", line 1175, in edit
File "site-packages\calibre\gui2\dialogs\tag_editor.py", line 25, in __init__
File "site-packages\calibre\db\legacy.py", line 740, in func
File "site-packages\calibre\db\view.py", line 127, in get_property
IndexError: tuple index out of range
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