Describes the cause and action for error messages.
Error Message(English)：
error user has restricted values
The value you entered is not valid" and "A user has restricted values ...
https://www.youtube.com/watch?v=aDWFdVpBxyg
https://www.youtube.com/watch?v=aDWFdVpBxyg
the value you entered is not valid - YouTube
https://www.youtube.com/watch?v=nXruGNSH6aI
https://www.youtube.com/watch?v=nXruGNSH6aI
Why does Excel say "The value you entered is not valid"? -
https://thesmartmethod.com/why-does-excel-say-the-value-you-entered-is-not-valid/
Apply data validation to cells - Office Support
https://support.office.com/en-ie/article/apply-data-validation-to-cells-29fecbcc-d1b9-42c1-9d76-eff3・・・
More on data validation - Excel - Office Support - Office 365
https://support.office.com/en-ie/article/more-on-data-validation-f38dee73-9900-4ca6-9301-8a5f6e1f0c4・・・
Excel formula: Data validation date in specific year - Excelchat - Got-it.ai
https://www.got-it.ai/solutions/excel-chat/excel-tutorial/data-validation/data-validation-date-in-sp・・・
Excel formula: Data validation unique values only - Excelchat
https://www.got-it.ai/solutions/excel-chat/excel-tutorial/data-validation/data-validation-unique-val・・・