Describes the cause and action for error messages.
Error Message(English)：
lookup not returning correct value
worksheet function - Simple, Excel, =LOOKUP(xxxxx), not returning ...
https://superuser.com/questions/736021/simple-excel-lookupxxxxx-not-returning-the-correct-value
worksheet function - Issue with LOOKUP in ...
https://superuser.com/questions/1269289/issue-with-lookup-in-excel
microsoft excel - Simple lookup does not return ...
https://superuser.com/questions/1262204/simple-lookup-does-not-return-correct-values
Incorrect results with Excel's LOOKUP or VLOOKUP looking up text ...
https://stackoverflow.com/questions/34664620/incorrect-results-with-excels-lookup-or-vlookup-looking・・・
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/
You Need an Exact Match
https://www.ablebits.com/office-addins-blog/2014/04/09/why-excel-vlookup-not-working/#exact-match
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 VLOOKUP not working - fixing N/A, NAME, VALUE errors ...
https://www.ablebits.com/office-addins-blog/2014/08/27/excel-vlookup-not-working/