Describes the cause and action for error messages.
Error Message(English)：
reference is not valid name manager
microsoft excel - Mysterious "Reference not valid" - Super User
https://superuser.com/questions/899552/mysterious-reference-not-valid
Removing phantom external links in Excel
https://superuser.com/questions/938449/removing-phantom-external-links-in-excel
Stop "Excel formula or sheet contains the name ...
https://superuser.com/questions/377664/stop-excel-formula-or-sheet-contains-the-name-dialog
Creating a chart using a dynamic named range ...
https://superuser.com/questions/464039/creating-a-chart-using-a-dynamic-named-range-in-excel-2010
pivot table - Excel data source reference is not valid
https://superuser.com/questions/330718/excel-data-source-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
Fix Excel Found A Problem With Formula References In This Worksheet
https://www.thespreadsheetguru.com/blog/fix-excel-found-a-problem-with-formula-references-in-this-wo・・・
Tracking Down Invalid References (Microsoft Excel) - Excel Ribbon Tips
https://excelribbon.tips.net/T008664_Tracking_Down_Invalid_References.html