Describes the cause and action for error messages.
Error Message(English)：
graph not ignoring n/a
Excel: how to ignore non-numeric cells in a chart - Stack Overflow
https://stackoverflow.com/questions/45168838/excel-how-to-ignore-non-numeric-cells-in-a-chart
Best Excel Tutorial - Chart that Ignores N/A! Errors and Empty Values
https://best-excel-tutorial.com/59-tips-and-tricks/327-chart-ignore-empty-values
How to tell excel to ignore #NUM! errors in plotting a line chart ...
https://superuser.com/questions/480347/how-to-tell-excel-to-ignore-num-errors-in-plotting-a-line-cha・・・
Chart not ignoring error values/blanks in XL2007 - Mr. Excel
https://www.mrexcel.com/forum/excel-questions/512653-chart-not-ignoring-error-values-blanks-xl2007.h・・・
Display empty cells, null (#N/A) values, and hidden worksheet data in ...
https://support.office.com/en-ie/article/display-empty-cells-null-n-a-values-and-hidden-worksheet-da・・・
Excel Tip of the Week #171 - Using #N/A in charts - Blogs - IT Counts ...
https://ion.icaew.com/itcounts/b/weblog/posts/excel-tip-of-the-week-171---using-n-a-in-charts
How to use NA() to make your Excel chart pretty! - Radigan Engineering
https://radiganengineering.com/2014/01/error-trapping-in-excel-or-how-to-use-na-to-omit-data-points-・・・
How do I create a graph in Excel and get it to ignore blanks or zeros ...
https://www.tek-tips.com/faqs.cfm?fid=1277
X Axis; Ignore NA() from formulas in chart data | Chandoo.org ...
https://chandoo.org/forum/threads/x-axis-ignore-na-from-formulas-in-chart-data.36244/