Describes the cause and action for error messages.
Error Message(English)：
countif does not equal blank
COUNTIF in Excel - count if not ...
https://www.ablebits.com/office-addins-blog/2014/07/02/excel-countif-examples/comment-page-4/
Excel COUNTIF and ...
https://www.ablebits.com/office-addins-blog/2018/03/28/excel-countif-countifs-or-conditions/
Excel formula: Count cells that are not blank | Exceljet
https://exceljet.net/formula/count-cells-that-are-not-blank
Excel formula: Count cells not equal to | Exceljet
https://exceljet.net/formula/count-cells-not-equal-to
count if cells are nonblank and not equal to specific word in Excel?
https://www.extendoffice.com/documents/excel/2887-excel-countif-not-blank-and-not-equal.html
How do I get countifs to select all non-blank cells in Excel ...
https://stackoverflow.com/questions/772225/how-do-i-get-countifs-to-select-all-non-blank-cells-in-ex・・・
COUNTIF can't count non-blank formula results?
https://stackoverflow.com/questions/45657896/countif-cant-count-non-blank-formula-results
COUNTIF of non-empty and non-blank cells
https://stackoverflow.com/questions/39448041/countif-of-non-empty-and-non-blank-cells
Excel Countif Not equal to string length of zero
https://stackoverflow.com/questions/23701470/excel-countif-not-equal-to-string-length-of-zero