hotfix, null str

BeWo/DebugConfig.cs

@@ -131,7 +131,7 @@ namespace BeWo
 						new DebugConfig()
 						{
 							DebugConfigMode = DebugConfigMode.FeatureDakota,
-							AutoLogin = true,
+							AutoLogin = false,
 							SelectView = UIContext.Organisation,
 							SelectIndex = 8,
 							DefaultLoginUsername = "m1",

Dakota/Logic/DakotaKTDReader.cs

@@ -180,6 +180,8 @@ namespace Dakota.Logic
 
 		private string clear(string str)
 		{
+			if (str is null)
+				return null;
 			string asciiOnly = new string(str.Where(c => c <= 127).ToArray());
 			return asciiOnly;
 		}