fix

MyOffice.Core/Error.cs

@@ -0,0 +1,23 @@
+namespace MyOffice.Core;
+
+public class Error
+{
+	private Exception? _exception;
+
+	public Error(string message)
+	{
+		Message = message;
+	}
+
+	public Error(Exception exception): this(exception.GetType().Name)
+	{		
+		_exception = exception;
+	}
+
+	public Error(string message, Exception exception): this(message)
+	{
+		_exception = exception;
+	}
+
+	public string Message { get; private set;}
+}

MyOffice.Core/Helpers/RandomizationHelper.cs

@@ -0,0 +1,18 @@
+namespace MyOffice.Core.Helpers;
+
+using MyOffice.Core.Extensions;
+
+public class RandomizationHelper
+{
+	public static string Generate(int length)
+	{
+		var result = "";
+		
+		while(result.Length < length)
+		{
+			result += Guid.NewGuid().ToShort();
+		}
+
+		return result.Substring(0, length);
+	}
+}