diff --git a/Wonderking/Game/Data/Item/ContainedItem.cs b/Wonderking/Game/Data/Item/ContainedItem.cs
index c89e1f3..caf2a91 100644
--- a/Wonderking/Game/Data/Item/ContainedItem.cs
+++ b/Wonderking/Game/Data/Item/ContainedItem.cs
@@ -4,7 +4,7 @@ using System.Runtime.InteropServices;
 
 namespace Wonderking.Game.Data.Item;
 
-[StructLayout(LayoutKind.Sequential)]
+[StructLayout(LayoutKind.Sequential, Pack = 1)]
 public struct ContainedItem
 {
     public short ID { get; internal set; }
diff --git a/Wonderking/Game/Data/Item/ItemOptions.cs b/Wonderking/Game/Data/Item/ItemOptions.cs
index abae6ca..0cd9a93 100644
--- a/Wonderking/Game/Data/Item/ItemOptions.cs
+++ b/Wonderking/Game/Data/Item/ItemOptions.cs
@@ -1,9 +1,14 @@
 // Licensed to Timothy Schenk under the GNU AGPL Version 3 License.
 
+using System.Runtime.InteropServices;
+
 namespace Wonderking.Game.Data.Item;
 
+[StructLayout(LayoutKind.Sequential, Pack = 1)]
 public struct ItemOptions
 {
-    public uint[] OptionIDs { get; internal set; }
-    public bool OptionAvailable { get; internal set; }
+    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
+    public uint[] OptionIDs;
+
+    public bool OptionAvailable;
 }
diff --git a/Wonderking/Game/DataReader.cs b/Wonderking/Game/DataReader.cs
index 39139bc..817fb31 100644
--- a/Wonderking/Game/DataReader.cs
+++ b/Wonderking/Game/DataReader.cs
@@ -45,7 +45,7 @@ public abstract class DataReader<T>
                throw new NotSupportedException("XorKey is null");
     }
 
-    private Span<byte> GetDatFileContent(string path)
+    private ReadOnlySpan<byte> GetDatFileContent(string path)
     {
         var fileData = File.ReadAllBytes(path + _datFileName);
         var data = new byte[fileData.Length];
diff --git a/Wonderking/Game/Reader/GenericReaderExtensions.cs b/Wonderking/Game/Reader/GenericReaderExtensions.cs
index b3da49a..904f7cb 100644
--- a/Wonderking/Game/Reader/GenericReaderExtensions.cs
+++ b/Wonderking/Game/Reader/GenericReaderExtensions.cs
@@ -1,13 +1,5 @@
 // Licensed to Timothy Schenk under the GNU AGPL Version 3 License.
 
-/* Nicht gemergte Änderung aus Projekt "Wonderking(net7.0)"
-Vor:
-using System.Runtime.InteropServices;
-using System.Text;
-Nach:
-using System.Text;
-*/
-
 using System.Text;
 
 namespace Wonderking.Game.Reader;
@@ -16,7 +8,7 @@ public static class GenericReaderExtensions
 {
     public static string ReadString(this BinaryReader reader, int length)
     {
-        var ret = Encoding.ASCII.GetString(reader.ReadBytes(length)).Replace("\0", "");
+        var ret = Encoding.ASCII.GetString(reader.ReadBytes(length)).Replace("\0", "", StringComparison.Ordinal);
         return ret;
     }
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 13459da..44925ff 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,6 +16,7 @@ services:
     - Tracing:Enabled=true
     - OTEL_EXPORTER_OTLP_ENDPOINT=http://aspire:18889
     - Logging:LogLevel:Default=Debug
+    - OTEL_SERVICE_NAME=continuity-auth
     networks:
     - continuity
     ports: