Hi I get these 2 reports when I open the program in Unity What does that mean?

Questions & Answers
1

Assets/Scripts/Public/CSVFileTool.cs(5,14): error CS0234: The type or namespace name Data' does not exist in the namespace System’. Are you missing System.Data' assembly reference? Assets/Scripts/Public/CSVFileTool.cs(17,9): error CS0246: The type or namespace name DataTable’ could not be found. Are you missing an assembly reference?

2

You should name the public class of the script the same as the name of the script, that should solve the problem.