Describes the cause and action for error messages.
Error Message(English)：
error the reference is not valid
How to solve data source reference is not valid in Excel Pivot table ...
https://www.youtube.com/watch?v=5h2mPNHcDxQ
https://www.youtube.com/watch?v=5h2mPNHcDxQ
microsoft excel - Mysterious "Reference not valid" - Super User
https://superuser.com/questions/899552/mysterious-reference-not-valid
Excel のピボット テーブルのエラー] データ ソースの参照が正しくありません」
https://support.microsoft.com/ja-jp/help/2862807/excel-pivottable-error-data-source-reference-is-not・・・
Michael's TechBlog: Excel - Reference is Not Valid when refreshing ...
https://mgxp.blogspot.com/2014/07/excel-reference-is-not-valid-when.html
Error: The Pivot Table 'PivotTableX' Could Not Be Refreshed ...
https://support.jetglobal.com/hc/en-us/articles/115004577688-Error-The-Pivot-Table-PivotTableX-Could・・・
Microsoft Excel: How do you stop 'Invalid Reference' pop-ups? - Quora
https://www.quora.com/Microsoft-Excel-How-do-you-stop-Invalid-Reference-pop-ups
Data Reference Not Valid error Excel when moving pivot table to ...
https://stackoverflow.com/questions/47393898/data-reference-not-valid-error-excel-when-moving-pivot-・・・
Excel VBA Custom Function giving "Reference Not Valid" Error ...
https://stackoverflow.com/questions/12162038/excel-vba-custom-function-giving-reference-not-valid-er・・・