Quote:
Originally Posted by fenuks
I have custom bool column named read. All book are marked as not read (N). I configured Reading List to change this column when book is removed from list (which suppose to mean I've read book, and column should change its value to T).
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I'm not quite sure why it is throwing out the error you're seeing (though I can guess), but it still isn't going to do quite what you want.
When you add a book to a list it adds a tag to the associated column (or sets it to 'true'). When you remove the book from the list it removes the tag (or sets the column to 'false').
You're wanting it to do opposite when you remove the book (and I don't think it would be a good idea to have the plugin toggle a boolean column instead of setting it to indicate whether or not a book is on the list -- too much room for confusing error).
What happens if instead you set up your boolean column as 'unread books'?
Adding the books to your list will mark them as 'unread' ('true'), removing them will mark them as 'read' ('false').