this is not as clear, but you can use a “path exist activity” to check if file exists and use the read range activity to read the file, then use Not String.IsNullOrEmpty(DT.Count().ToString) and then you can read cell after knowing that the file exists and has some data
I have used path exist activity and then a conditional to verify. I put, if file exists then read cell. At reading cell, appears the same message. So, the “path exist activity” confirms that the file exists, but at reading the file, it does not exist, when it is inside the folder…