What does this line of code mean and how can I fix the error?

Question

I have an error on this line of code and I couldn't step into it because the error pops right away. Could anyone please tell me what is this line of code trying to do exactly?

var image = ws2.Drawings.AddPicture(
    imagesLocations[i].Name, 
    Image.FromFile(imagesLocations[i].Tests
                                     .FirstOrDefault(t => t.IsReference)
                                     .ImagePath));

Error:

Exception thrown: 'System.IO.FileNotFoundException' in System.Drawing.dll

Additional information: C:\\Users\\.."full path"..\\Initial.png

Some declarations:

ExcelWorksheet ws2 = package.Workbook.Worksheets.Add("Images");

// this is a list of locations, and "location" is a custom class                        
var imagesLocations = SelectedSession.GetTests()
    .Where(t => t.IsReference)
    .Select(t => t.Location)
    .OrderBy(t => t.DateCreated)
    .ThenBy(t => t.Name)
    .ToList();

Test is a custom object of a written class

IsReference is a local Boolean for Test under certain condition

ImagePath is a local string for Test

So the error is that it is trying to take an image from a path to put it in the excel file. However, the image doesn't exist. I need to understand that line of code so I can prevent it from happening. Any help of how can I do that is very helpful. Please and thanks

Answer 1

So as @HimBromBeere suggested and he was right.

This is what I did that got me the error checking up and running:

var temp = imagesLocations[i].Tests.FirstOrDefault(t => t.IsReference).ImagePath;
if (File.Exists(temp))
{
    var temp2 = Image.FromFile(temp);
    var image = ws2.Drawings.AddPicture(imagesLocations[i].Name, temp2);
    image.SetSize(375, 375);
    image.SetPosition(i, 0, 1, 0);
}