Describes the cause and action for error messages.
Error Message(English)：
vlookup does not equal
IF VLOOKUP in Excel: Vlookup formula with If condition - Ablebits.com
https://www.ablebits.com/office-addins-blog/2018/02/07/if-vlookup-excel/
IF formula with VLOOKUP ...
https://www.ablebits.com/office-addins-blog/2018/02/07/if-vlookup-excel/#vlookup-true-false
Excel Vlookup: if not found ...
https://www.ablebits.com/office-addins-blog/2018/02/07/if-vlookup-excel/#vlookup-return-0-if-not-fou・・・
6 Reasons Why Your VLOOKUP is Not Working - Ablebits.com
https://www.ablebits.com/office-addins-blog/2014/04/09/why-excel-vlookup-not-working/
Lock the Table Reference
https://www.ablebits.com/office-addins-blog/2014/04/09/why-excel-vlookup-not-working/#table-referenc・・・
Column Has Been Inserted
https://www.ablebits.com/office-addins-blog/2014/04/09/why-excel-vlookup-not-working/#column-inserte・・・
The Table has got Bigger
https://www.ablebits.com/office-addins-blog/2014/04/09/why-excel-vlookup-not-working/#bigger-table
Excel formula: Count cells not equal to | Exceljet
https://exceljet.net/formula/count-cells-not-equal-to
microsoft excel - Formula =IF(VLOOKUP(...)=Cell;...) does not work ...
https://superuser.com/q/709609