Describes the cause and action for error messages.
Error Message(English)：
vba variable not found
Compile error: variable not defined (VB Adodb)
https://stackoverflow.com/questions/51343939/compile-error-variable-not-defined-vb-adodb
Excel vba variable not defined when using range variable
https://stackoverflow.com/questions/44941918/excel-vba-variable-not-defined-when-using-range-variabl・・・
VBA: Variable not defined
https://stackoverflow.com/questions/37464364/vba-variable-not-defined
vba: variable not defined in activeCell
https://stackoverflow.com/questions/43963413/vba-variable-not-defined-in-activecell
Variable not defined | Microsoft Docs
https://docs.microsoft.com/en-us/office/vba/language/reference/user-interface-help/variable-not-defi・・・
Why does VBA give 'Compile Error Variable not defined' when I'm ...
https://www.quora.com/Why-does-VBA-give-Compile-Error-Variable-not-defined-when-Im-trying-to-identif・・・
Understanding Excel VBA Data Types (Variables and Constants)
https://trumpexcel.com/vba-data-types-variables-constants/
Why Use Variables in VBA?
https://trumpexcel.com/vba-data-types-variables-constants/#Why-Use-Variables-in-VBA
Data Type of Variables
https://trumpexcel.com/vba-data-types-variables-constants/#Data-Type-of-Variables