diff --git a/Common/.vs/config/applicationhost.config b/Common/.vs/config/applicationhost.config
index 40cde372..1b9332b4 100644
--- a/Common/.vs/config/applicationhost.config
+++ b/Common/.vs/config/applicationhost.config
@@ -155,7 +155,7 @@
 			</site>
             <site name="MeterProcessState" id="2">
                 <application path="/" applicationPool="Clr4IntegratedAppPool">
-                    <virtualDirectory path="/" physicalPath="C:\Users\drabesch_ro\Repo\lab\la_operations\laa_production\Common\Service\MeterProcessState" />
+                    <virtualDirectory path="/" physicalPath="D:\Projekte\SENSUS_GitLab\laa_production\Common\Service\MeterProcessState" />
                 </application>
                 <bindings>
                     <binding protocol="http" bindingInformation="*:56011:localhost" />
diff --git a/Common/CommonCore/Exceptions/DB/NoKeyException.cs b/Common/CommonCore/Exceptions/DB/NoKeyException.cs
index aa120a11..43b40c39 100644
--- a/Common/CommonCore/Exceptions/DB/NoKeyException.cs
+++ b/Common/CommonCore/Exceptions/DB/NoKeyException.cs
@@ -1,39 +1,38 @@
 using System;
-using System.Collections.Generic;
 using System.Text;
 
 namespace Xylem.Common.CommonCore.Exceptions.Db
 {
     public class NoKeyStoredException : Exception, ICommonException
     {
-        Guid? LCode = null;
-        public NoKeyStoredException(Guid? Location = null)
+        Guid? _lCode;
+        public NoKeyStoredException(Guid? location = null)
         {
-            LCode = Location;
+            _lCode = location;
         }
-        public NoKeyStoredException(string message, Guid? Location = null)
+        public NoKeyStoredException(String message, Guid? location = null)
           : base(message)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public NoKeyStoredException(string message, Exception inner, Guid? Location = null)
+        public NoKeyStoredException(String message, Exception inner, Guid? location = null)
             : base(message, inner)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public string GetHelpText()
+        public String GetHelpText()
         {
             var sb = new StringBuilder();
 
-            sb.AppendLine($"Report this to a developer or database admin.");
-            sb.AppendLine($"Something went wrong while store the keyset on BSI.");
+            sb.AppendLine("Report this to a developer or database admin.");
+            sb.AppendLine("Something went wrong while store the keyset on BSI.");
            
 
-            if (LCode.HasValue)
+            if (_lCode.HasValue)
             {
-                sb.AppendLine($"LCode:{LCode.Value}");
+                sb.AppendLine($"LCode:{_lCode.Value}");
             }
             return sb.ToString();
         }
diff --git a/Common/CommonCore/Exceptions/DB/PcbIdNotException.cs b/Common/CommonCore/Exceptions/DB/PcbIdNotException.cs
index 7ca1e3e8..87edfeee 100644
--- a/Common/CommonCore/Exceptions/DB/PcbIdNotException.cs
+++ b/Common/CommonCore/Exceptions/DB/PcbIdNotException.cs
@@ -1,39 +1,38 @@
 using System;
-using System.Collections.Generic;
 using System.Text;
 
 namespace Xylem.Common.CommonCore.Exceptions.Db
 {
     public class PcbIdNotException : Exception, ICommonException
     {
-        Guid? LCode = null;
-        public PcbIdNotException(Guid? Location = null)
+        Guid? _lCode;
+        public PcbIdNotException(Guid? location = null)
         {
-            LCode = Location;
+            _lCode = location;
         }
-        public PcbIdNotException(string message, Guid? Location = null)
+        public PcbIdNotException(String message, Guid? location = null)
           : base(message)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public PcbIdNotException(string message, Exception inner, Guid? Location = null)
+        public PcbIdNotException(String message, Exception inner, Guid? location = null)
             : base(message, inner)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public string GetHelpText()
+        public String GetHelpText()
         {
             var sb = new StringBuilder();
 
-            sb.AppendLine($"1. Retry your request.");
-            sb.AppendLine($"2. Check if you Pcb was produced by LAA Operations.");
-            sb.AppendLine($"3. Ask the source of you pcb for the password and the pcbid and let it regiuster at LAA Operations.");
+            sb.AppendLine("1. Retry your request.");
+            sb.AppendLine("2. Check if your pcb was produced by LAA Operations.");
+            sb.AppendLine("3. Ask the source of your pcb for the password and the pcbid and let it regiuser at LAA Operations.");
 
-            if (LCode.HasValue)
+            if (_lCode.HasValue)
             {
-                sb.AppendLine($"LCode:{LCode.Value}");
+                sb.AppendLine($"LCode:{_lCode.Value}");
             }
             return sb.ToString();
         }
diff --git a/Common/CommonCore/Exceptions/ICommonException.cs b/Common/CommonCore/Exceptions/ICommonException.cs
index 90b7a7c5..6b33333f 100644
--- a/Common/CommonCore/Exceptions/ICommonException.cs
+++ b/Common/CommonCore/Exceptions/ICommonException.cs
@@ -1,12 +1,10 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace Xylem.Common.CommonCore.Exceptions
 {
     interface ICommonException
     {
-        string GetHelpText();
+        String GetHelpText();
 
     }
 }
diff --git a/Common/CommonCore/Exceptions/WaterMeter/LvlNotSupportedException.cs b/Common/CommonCore/Exceptions/WaterMeter/LvlNotSupportedException.cs
index fa94a9b7..ad205678 100644
--- a/Common/CommonCore/Exceptions/WaterMeter/LvlNotSupportedException.cs
+++ b/Common/CommonCore/Exceptions/WaterMeter/LvlNotSupportedException.cs
@@ -1,37 +1,36 @@
 using System;
-using System.Collections.Generic;
 using System.Text;
 
 namespace Xylem.Common.CommonCore.Exceptions.WaterMeter
 {
     public class LvlNotSupportedException : Exception, ICommonException
     {
-        Guid? LCode = null;
-        public LvlNotSupportedException(Guid? Location = null)
+        Guid? _lCode;
+        public LvlNotSupportedException(Guid? location = null)
         {
-            LCode = Location;
+            _lCode = location;
         }
-        public LvlNotSupportedException(string message, Guid? Location = null)
+        public LvlNotSupportedException(String message, Guid? location = null)
           : base(message)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public LvlNotSupportedException(string message, Exception inner, Guid? Location = null)
+        public LvlNotSupportedException(String message, Exception inner, Guid? location = null)
             : base(message, inner)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public string GetHelpText()
+        public String GetHelpText()
         {
             var sb = new StringBuilder();
 
-            sb.AppendLine($"You can not login at this lvl if the meter is locked.");
-            sb.AppendLine($"Try to use an other level or unlock the meter.");
-            if (LCode.HasValue)
+            sb.AppendLine("You can not login at this lvl if the meter is locked.");
+            sb.AppendLine("Try to use an other level or unlock the meter.");
+            if (_lCode.HasValue)
             {
-                sb.AppendLine($"LCode:{LCode.Value}");
+                sb.AppendLine($"LCode:{_lCode.Value}");
             }
             return sb.ToString();
         }
diff --git a/Common/CommonCore/Exceptions/Web/TokenRequiredException.cs b/Common/CommonCore/Exceptions/Web/TokenRequiredException.cs
index b79a1c34..2b647312 100644
--- a/Common/CommonCore/Exceptions/Web/TokenRequiredException.cs
+++ b/Common/CommonCore/Exceptions/Web/TokenRequiredException.cs
@@ -1,38 +1,37 @@
 using System;
-using System.Collections.Generic;
 using System.Text;
 
-namespace Xylem.Common.CommonCore.Exceptions
+namespace Xylem.Common.CommonCore.Exceptions.Web
 {
     public class TokenRequiredException : Exception, ICommonException
     {
-        Guid? LCode = null;
-        public TokenRequiredException(Guid? Location = null)
+        Guid? _lCode;
+        public TokenRequiredException(Guid? location = null)
         {
-            LCode = Location;
+            _lCode = location;
         }
-        public TokenRequiredException(string message, Guid? Location = null)
+        public TokenRequiredException(String message, Guid? location = null)
           : base(message)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public TokenRequiredException(string message, Exception inner, Guid? Location = null)
+        public TokenRequiredException(String message, Exception inner, Guid? location = null)
             : base(message, inner)
         {
-            LCode = Location;
+            _lCode = location;
         }
 
-        public string GetHelpText()
+        public String GetHelpText()
         {
             var sb = new StringBuilder();
 
-            sb.AppendLine($"Token is required for locked meter.");
-            sb.AppendLine($"Add token too your local key store.");
+            sb.AppendLine("Token is required for locked meter.");
+            sb.AppendLine("Add token too your local key store.");
 
-            if (LCode.HasValue)
+            if (_lCode.HasValue)
             {
-                sb.AppendLine($"LCode:{LCode.Value}");
+                sb.AppendLine($"LCode:{_lCode.Value}");
             }
             return sb.ToString();
         }
diff --git a/Common/Service/MeterProcessState/Controllers/PasswordController.cs b/Common/Service/MeterProcessState/Controllers/PasswordController.cs
index 0d0a69ed..97ae655b 100644
--- a/Common/Service/MeterProcessState/Controllers/PasswordController.cs
+++ b/Common/Service/MeterProcessState/Controllers/PasswordController.cs
@@ -16,6 +16,7 @@ using Xylem.Common.CommonCore.Configuration;
 using Xylem.Common.CommonCore.Exceptions;
 using Xylem.Common.CommonCore.Exceptions.Db;
 using Xylem.Common.CommonCore.Exceptions.WaterMeter;
+using Xylem.Common.CommonCore.Exceptions.Web;
 using Xylem.Common.Hardware.WaterMeter.Genesis.GenesisCore;
 using Xylem.Common.Hardware.WaterMeter.Genesis.GenesisFile;
 using Xylem.Common.Logic.SoftwareAccessHelper;