Rated 4 out of 5 stars

always Error message When I open "Preference setup"
(TB 68.2.2, Cardbook: version:43 Win7:

XML 解析錯誤: 處理外部 Entity 參考時發生錯誤
位置: chrome://cardbook/content/configuration/wdw_cardbookConfiguration.xul
行號 24, 第 84 個字: <!ENTITY % formulaDTD SYSTEM "chrome://cardbook/locale/wdw_cardbookFormulas.dtd"> %formulaDTD;

This review is for a previous version of the add-on (43.0). 

it will be corrected in version 43.1